NIELIT Scientist Previous Year Papers 2021 (PDF)

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2. byjusexamprep.com conclusions numbered I and II. You have to take the statement to be true. Read both the PART-A conclusions and decide which of the two or both GENERIC follow from the given statement. Give answer: (A) If only conclusion I follows. Directions (1-2) : Use following diagrams to (B) If only conclusion II follows. answer questions number 1 to 2: (C) If either I or II follows. (D) If neither I nor II follows. 7. A study of planning commission reveals boom in revenues. However, this has been of little avail owing to soaring expenditure. 1. Cloud, River, Mountain : In the event, there has been a high dose (A) II (B) I of deficit financing, leading to marked rise (C) IV (D) III in prices. Large financial outlays year after 2. Oxygen, Atmosphere, Nitrogen : year had little impact on level of living. (A) II (B) I I. A boom in revenues leads to rise in (C) IV (D) III prices. Directions (3-5) : In each of the following II. Large financial outlays should be questions, one number is wrong in the series. avoided. Find out the wrong number. 8. The top management has asked the four 3. 3, 5, 12, 39, 154, 772, 4634 managers either to resign by tomorrow or (A) 5 (B) 3 face the order of service termination. (C) 39 (D) 154 Three of them have resigned till this very 4. 701, 348, 173, 85, 41, 19, 8 evening. (A) 173 (B) 41 I. The manager who did not resign (C) 19 (D) 348 yesterday will resign tomorrow 5. 1, 9, 25, 49, 86, 121 II. The management will terminate the (A) 25 (B) 121 service of one manager. (C) 166 (D) 86 Directions (9-13) : Read the information 6. Rakesh is standing at a point. He walks 20 given below and on the basis of the m towards the East and further 10 m information, select the current alternative towards the South, then he walks 35 m for each question given after the towards the West and further 5 m towards information. the North, then he walks 15 m towards the There are five persons P, Q, R, S and T. One is East. What is the straight distance in football player, one is chess player, one is metres between his starting point and the hockey player. P and S are unmarried ladies and point where he reached last ? do not participate in any game. None of the (A) 0 (B) 5 ladies plays chess or football. There is a married (C) 10 (D) 15 couple in which T is the husband. Q is the Directions (7-8): In the given questions brother of R and is neither a chess player nor a below, a statement is given followed by two hockey player. 1

3. byjusexamprep.com 9. Which of the following is the correct group 17. Who among the following is good at four games ? of ladies ? (A) Q (B) P (A) P, Q and R (B) Q, R and S (C) O (D) M (C) P, Q and S (D) P, R and S 18. Who is good at cricket, baseball and 10. Who is the football player ? volleyball ? (A) Q (B) R (A) Q (B) P (C) S (D) T (C) O (D) N 11. Who is the hockey player ? Directions (19-21): Read the information (A) T (B) S given below and on the basis of the (C) R (D) Q information, select the correct alternative 12. Who is the wife of T ? for each question given after the (A) Q (B) R information. (C) S (D) None of these (i) Six flats on the floor in two rows facing 13. Who is the chess player ? North and South are allotted to P, Q, R, S, (A) Q (B) R T and U. (C) S (D) T (ii) Q gets a north facing flat and is not next Directions (14-18) : Read the information to S. given below and on the basis of the (iii) S and U get diagonally opposite flats. information, select the correct alternative (iv) R next to U, gets a south facing flat and T for each question given after the gets a north facing flat. 19. The flats of which of the other pairs than information. SU, is diagonally opposite to each other ? M and N are good at hock and volleyball. O and (A) PT (B) PQ M are good at hocky and baseball. P and N are (C) QR (D) TS good at cricket and volleyball. O, P and Q are 20. If the flats of T and P are interchanged, good at football and basketball. who’s flat will be next to that of U ? 14. Who is good at cricket, volleyball and (A) Q (B) T hockey ? (C) P (D) R (A) Q (B) P 21. Whose flat is between Q and S ? (C) O (D) N (A) T (B) U 15. Who is good at baseball, hockey and (C) R (D) P volleyball ? 22. A cylindrical vessel 60 cm in diameter is (A) Q (B) P partially filled with water. A sphere 30 cm (C) O (D) M in a diameter is dropped into it. The 16. Who is good at the largest number of increase in the level of water in the vessel games ? is : (A) Q (B) P (A) 2 cm (B) 3 cm (C) O (D) N (C) 4 cm (D) 5 cm 2

4. byjusexamprep.com 23. If x = p, y = q then which of the following short cut along the diagonal and saved a are p and q respectively for pair of distance equal to half the longer side. equations 3x – 5y + 10 = 0 and y – 2x – Then, the ratio of the shorter side to the 3 = 0 : longer side is : (A) –1, 1 (B) 1, 1 (A) 1/2 (B) 2/3 (C) 1, 0 (D) 0, 1 (C) 1/4 (D) 3/4 24. A cuboid of dimension 24 cm × 9 cm × 8 30. The students in a class are seated cm is melted and smaller cubes of side 3 according to their marks in the previous cm are formed. Find how many such cubes examination. Once it so happens that four can be formed : of these students get equal marks and (A) 27 (B) 64 therefore the same rank. To decide their (C) 54 (D) 32 seating arrangement, the teacher wants to 25. In a parallelogram ABCD, AP and BP are write down all possible arrangements, one the angle bisectors of ∠DAB and ∠ABC. in each of separate bits of paper, in order to choose one of these by lots. How many Find ∠APB : bits of paper are required ? (A) 85° (B) 90° (A) 9 (B) 12 (C) 94° (D) 86° (C) 15 (D) 24 26. In a fraction, numerator is increased by 31. In a mixture of 60 L, the ratio of milk and 25% and the denominator is diminished by water is 2 : 1. If the ratio of milk and water 10%. The new fraction obtained is 5/9, the is to be 1 : 2, then the amount of water to original fraction is : be further added must be: (A) 2/5 (A) 40 L (B) 30 L (B) 5/9 (C) 20 L (D) 60 L (C) 3/5 32. A factory employees skilled workers, (D) None of the above unskilled workers and clerks in the 27. ½ log10 25 – 2 log10 3 + log10 18 equals : proportion 8 : 5 : 1, and the wages of a (A) 18 (B) 1 skilled worker, an unskilled worker and a (C) log10 (D) None of these clerk are in the ratio 5 : 2 : 3. When 20 28.A, B and C rented a pasture by paying ₹ unskilled workers are employed, the total 2160 per month. They put 60, 40 and 20 daily wages of all (skilled workers, sheep respectively. A sells 1/3 of his sheep unskilled workers and clerks) amount to ₹ to B after 6 months and after 3 months 318. The wages paid to each category of more C sells 2/5 of his sheep to A. Find the workers are : rent paid by C at the end of the year : (A) ₹ 240, ₹ 60, ₹ 18 (A) ₹ 4355 (B) ₹ 3888 (B) ₹ 200, ₹ 90, ₹ 28 (C) ₹ 2464 (D) ₹ 6224 (C) ₹ 150, ₹ 108, ₹ 60 29. Instead of walking along two adjacent (D) ₹ 250, ₹ 50, ₹ 18 sides of a rectangular field, a boy took a 3

5. byjusexamprep.com Directions (33-34) : Read the information Each of these questions (37-38) has an given below and on the basis of the idiomatic expression followed by four information, select the correct alternative options. Choose the one closest to its for each question given after the meaning. information. 37. Stick to once guns: (A) remain faithful to the cause RURAL SEMI-URBAN STATE CAPITAL METROPOLITAN Year (B) suspect something App Pass App Pass App Pass App Pass (C) make something fail 2015 1652 208 7894 2513 5054 1468 9538 3214 (D) be satisfied 2016 1839 317 8562 2933 7164 3248 10158 4018 38. Talk shop : 2017 2153 932 8139 2468 8258 3159 9695 3038 (A) Talk about once profession 2018 5032 1798 9432 3528 8529 3628 11247 5158 (B) Talk about shopping 2019 4915 1668 9784 4015 9015 4311 12518 6328 2020 5628 2392 9969 * App - Appeared 4263 10725 4526 13624 6449 (C) Ridicule (D) Treat lightly *Pass – Passed 39. Identify the correct spelling out of the 33. In which of the following years was the given options. percentage passed to appeared candidates (A) Managable (B) Manageable from semi-urban area the least ? (C) Mangaeble (D) Managible (A) 2015 (B) 2016 40.“Going by the _____ that many hands (C) 2017 (D) 2018 make light work, the school ______ 34. What approximate value was the _involved all the students in the task.” The percentage drop in the number of semi- words that best fill the blanks in the above urban candidates appeared from 2016 to sentence are : 2017 ? (A) principle, principal (A) 15 (B) 10 (B) principal, principle (C) 5 (D) 8 (C) principle, principle 35.“The dress _____ him so well that she (D) principal, principal immediately ______ him on his 41. The fisherman, ______ the flood victims appearance.” The words that best fill the owed their lives, were rewarded by the blanks in the above sentence are : govt. (A) complemented, complemented (A) whom (B) to which (B) complimented, complemented (C) to whom (D) to that (C) complimented, complimented 42. Which of the following options is the (D) complemented, complimented 36. He will not only accused of theft ______ of closest in meaning to the word below ? conspiracy. DELETERIOUS (A) rather (B) but also (A) delaying (B) glorious (C) but even (D) rather than (C) harmful (D) graduating 4

6. byjusexamprep.com 48. In ______ , machine is executing operating system instruction : PART – B (A) System mode (B) User mode TECHNICAL (C) Normal mode (D) Safe mode 49. Two important, lexical categories are 43. A protected variable which can be _____ . accessed and changed by particular set of (A) White Space operation is called : (B) Comments (A) interrupt (B) monitor (C) White Space & Comments (C) semaphore (D) IPC (D) None of the options 44. Which of the following Boolean 50. What is the value of f(4) using the expressions is not logically equivalent to following C code : all of the rest ? int f(int k) | (A) ab + (cd)′ + cd + bd′ if (k < 3) (B) a(b + c) + cd return k; (C) ab + ac + (cd)′ else (D) bd′ + c′d′ + ab + cd return f(k – 1) * f(k – 2) + f(k – 3); 45. In Software Modeling ‘IS A’ represents (A) 5 (B) 6 ______ relationship. (C) 7 (D) 8 (A) Aggregation (B) Over loading 51. A binary tree of depth K is called a full (C) Inheritance (D) Design Patterns binary tree of depth K, if it has exactly 46. If data stored in AC = 5F h and DR = C2 h _____ nodes. (A) K (B) 2K what is value of AC after AC^DR (C) 2K– 1 (D) 2K + 1 operation? 52. What is WPA ? (A) 9D (B) 42 (A) wi-fi protected access (C) DF (D) DE (B) wired protected access 47. On changing to spherical co-ordinates, the (C) wired process access Vdy dxdz,  where V is the integral (D) wi-fi process access volume of the hemisphere x2 + y2 + z2 53. A high resolution B/w TV picture contains = a2, is equivalent to the integral 3 × 104 picture elements and 16 different brightness levels. Pictures are repeated at ______ . a rate of 24 per second. All levels have  a 0r sin drd d    2  2 (A)    2 equal likelihood of occurrence and all 0 0 picture elements are assumed to be a 0r sin drd d    2   (B) 2    0 0 independent. What will be the average   rate of information carried by this TV a 0r sin drd d    2 (C)    2 2 0 0 picture source ?  a 0r cos drd d    2  (A) 288 Mbps (B) 24 Mbps 2 (D)    2 0 0 (C) 132 Mbps (D) 3 Mbps 5

7. byjusexamprep.com 54. Convert (503203) into (?)4 (D) Value of p at m would be used along (A) 12122231 (B) 11000011 some path in the flow graph ending at (C) 21222301 (D) 22323301 point m 55. A bottom-up parser generates _____ . 61.Dijkstra’s Algorithm cannot be applied on (A) Rightmost derivation _____ . (B) Rightmost derivation in reverse (A) Directed and weighted graphs (C) Leftmost derivation (B) Graphs having negative weight (D) Leftmost derivation in reverse function 56. Which of the following sorting algorithms (C) Unweighted graph has the lowest worst-case complexity ? (D) Undirected and unweighted graphs (A) Merge sort (B) Bubble sort 62. The operating system stores an ______ in (C) Quick sort (D) Insertion sort order to decide to which user to graph 57. For a hamming code of parity bit m = 5, which access rights to which file ? what is the total bits and data bits ? (A) File allocation table (A) (253, 247) (B) (127, 119) (B) Process control block (C) (31, 26) (D) (0, 8) (C) Access control matrix 58. The following circuit depicts the (D) File control matrix implementation of _____. 63. The complement of the expression Y = ABC + ABC + ABC + ABC is : )( ) (A) ( (B) ( )( ) A + B A + C A + B A + C )( ) (D) ( )( ) (C) ( A + B A + C A + C A + B 64. The bit rate of digital communication (A) XOR Gate (B) AND Gate system is R kbit/s. The modulation used is (C) OR Gate (D) NAND Gate to 32-QAM. The minimum bandwidth 59. Let Bn denote the number of full binary required for ISI free transmission is : trees with n vertices, then a recurrence (A) R/10 Hz (B) R/10 kHz relation for Bn is : (C) R/5 Hz (D) R/5 kHz (A) Bn = Bn – 1 + O(1) 65. What is the access point (AP) in a wireless (B) Bn = 2Bn – 1 + O(1) (C) Bn = Bn – 1 + O(n) LAN ? (D) Bn = 2Bn – 1 + O(n) (A) device that allows wireless devices to 60. A variable p is said to be line at point m if connect to a wired network and only if : (B) wireless devices itself (A) p is assigned at point m (C) both device that allows wireless (B) p is not assigned at point m devices to connect to a wired network (C) Value of p at m would be used along and wireless devices itself some path in the flow graph starting (D) all the nodes in the network at point m 6

8. byjusexamprep.com 66. The equivalent relational algebra (C) 513 (D) 504 expression for the query “Find the names 72. Which address is used to identify a process of suppliers who supplied all the items to on a host by the transport layer ? all the customers“. (A) physical address (A) ¬ t/t ∈ supplier (Q(t)) (B) logical address (C) port address (B) ∀ t [Sname] / t ∈ supplier (Q(t)) (D) specific address (C) t/¬ t ∈ supplier (Q(t)) 73. If all transactions obey the _______ , then (D) ∀ t / (–Q(t)) all possible interleaved schedules (non- 67.Let P(x) be “x is perfect”, F(x) be “x is your serial schedules) are serializable. friend” and the domain be all people. The (A) Lock based protocol statement. “At least one of your friends is (B) Two phase Locking protocol perfect” is : (C) Read-write lock based protocol (A) ∀x (F(x) → P(x)) (D) Time stamp based protocol (B) ∀x (F(x) ∧ P(x)) 74. The determinant of matrix (C) ∃x (F(x) ∧ P(x)) (D) ∃x (F(x) → P(x)) 0 − − p − q p q − − r r           is _________ . q r p p 0 − 68. If the Value of Register A = 9B h & Carry r q 0 = 1. What will be the value of Register A (A) 0 after executing the RORC instruction 1 (B) (p – q)(q – r)(r – p) time ? (C) pqr (A) AB h (B) CD h (D) 3pqr (C) EF h (D) AC h 75. Delivery of the software are product on 69. In a paging scheme if page size is of 2048 time is considered as _____ . bytes, then while accommodating a (A) SDLC process of 72, 766 bytes, how much (B) User Satisfaction internal fragmentation occurs ? (C) Planning (A) 962 bytes (B) 2048 bytes (D) UI/UX design for software (C) 1024 bytes (D) 1086 bytes 76. What will be the result of following 70. The ______ of a relationship is 0 if there relational algebra expression ? ( ) A.B. −   is no explicit need for the relationship to ( ) occur or the relationship is optional. C 10 R (A) modality (A) Print columns A & B from relation R (B) cardinality when C = 10 (C) entity (B) Print C = 10 from relation R (D) structured analysis (C) Print all data of relation R when C = 71. The number of 4 digit numbers which 10 contain not more than two different digits (D) Print A, B, C from relation B when C = is : 10 (A) 576 (B) 567 7

9. byjusexamprep.com 77. What will be the Eulerian tour of the maxextents 8, minextents 3, pctincrease 0); following graph G ? How many bytes of disk space will be allocated to this file when it is first created? (A) 163,840 bytes (B) 20480 bytes (C) 61,440 bytes (D) 8 bytes 83. A wireless network interface controller can (A) 1 – 2 – 3 – 4 – 5 – 6 – 7 – 8 – 6 – 4 – work in _____ . 2 – 8 – 1 (A) infrastructure mode (B) 1 – 2 – 3 – 4 – 5 – 6 – 7 – 8 (B) ad-hoc mode (C) 1 – 2 – 3 – 4 – 5 – 6 – 7 – 8 – 1 (C) both infrastructure mode and ad-hoc (D) 8 – 7 – 6 – 3 – 3 – 4 – 3 – 2 – 1 mode 78. Which notation gives the lower bound of a (D) WDS mode function ? 84. ABC * + is the postfix form of : (A) Θ – notation (A) A * B + C (B) A * + BC (C) A + B * C (D) Noe of these (B) O – notation 85. The number of un-labeled non-isomorphic (C) Ω – notation graphs with four vertices is : (D) None of the these (A) 12 (B) 11 79. Number of entity types participating in E- (C) 10 (D) 9 R diagrams is represented by : 86. The ______ enables the software (A) Degree of relationship consumer to develop models of the (B) Structure of relationship information domain and functional domain (C) Instance of relationship at the same time. (D) Role of relationship (A) data flow diagram 80. _______ is the elapsed time between the (B) inter transmission diagram time a program or job is submitted and the (C) control specification time when it is completed. (D) activity diagram (A) Response time 87. Each layer of the CSI model receives (B) Turnaround time services or data from a ____ layer. (C) Waiting time (A) below layer (D) Throughput (B) above layer 81. TCP/IP model does not have ______ layer (C) both (A) and (B) but OSI model have this layer. (D) None of the above (A) session layer (B) transport layer 88. 100 elements can be sorted in 100 sec (C) application layer (D) network layer using bubble sort in 400 sec, 82. Assume that a DBA issued the following approximately ______ elements can be create table command : sorted. create table A (Aid, …………) (A) 100 (B) 200 storage (initial 20480, next 20480, (C) 300 (D) 400 8

10. byjusexamprep.com 89. Which type of illustration lists the 95. Following are implicitly provided in C programming language : functionality of whole project ? (A) Output facility (A) DED-0 (B) Class Diagram (B) Input facility (C) Use case Diagram (D) State Diagram (C) Both Input and Output facility 90. The two numbers represented in Signed (D) No input and Output facility 2’s complement form are 96. If integer means to 2 bytes of storage then A = 11101101 and B = 11100110, If B is maximum value of a signed integer is : subtracted from A, then value obtained in (A) 214– 1 (B) 213– 1 signed 2’s complemented is : (C) 214 (D) 215 (A) 111000101 (B) 00000111 97. Write Recurrence of Quick sort in worst (C) 11111000 (D) 10000011 case. 91. y = 10 cos (1800 t) + 20 cos (2000 t) + (A) T(n) – T(n – 1) – 1 10 cos (220 t). Find the modulation index (B) T(n) – T(n – 1) – n (μ) of the given wave (C) T(n) – 27 (n – 1) + n (A) 0.3 (B) 0.5 (D) T(n) = T(n/3) + T(2n/2) + n (C) 0.7 (D) 1 98. A language L is recognizable by a turing 92. Let the random variable X has a missed machine M if and easily if L is a ___ distribution with probability P(X = 0) = , language. and the density function (A) Type 0 (B) Type 1 (C) Type 2 (D) Type 3 ( 0, otherwise )     2 x , 0  x  1 1 − x ( ) x f = x 99. For which one of the following sequences CANNOT be a degree sequence of a graph If the expectation of X is , then the value of order 5 ? of 4 +  is equal to : (A) 3, 3, 2, 2, 2 (B) 3, 3, 3, 3, 2 (A) 9/2 (B) 6 (C) 3, 3, 3, 2, 2 (D) 4, 3, 3, 2, 2 (C) 9 (D) 5/2 100. In the wire of the logical address space is 93. An analog signal having 3 kHz bandwidth 2n and the page wire is 2n-addressing is sampled at 1.5 times the Nyquist rate. units, then the high order m-n bits of a The successive samples are statistically logical address designate the _____ . independent. Each sample is quantized (A) offset into one of 256 equally likely levels. The (B) page no information rate of the source is : (C) frame no (A) 3 kbps (B) 72 kbps (D) physical address (C) 256 kbps (D) 9 kbps 101. One root of x3– x – 4 = 0 lies in (1, 2). In 94. The spectral efficiency of QPSK null to null bisection method, after first iteration the having a width 4 Hz will be : root lies in the interval ______ . (A) ½ (B) 1 (A) (1, 1.5) (B) (1.5, 2) (C) ¼ (D) 4 (C) (1.25, 1.75) (D) (1.75, 2) 9

11. byjusexamprep.com 102. ______ is the class of decisions problem quantization levels 8 and maximum signal frequency 4000 Hz is given by : that can be solved by non-determinte (A) 16 kbps (B) 24 kpbs pllynomial (C) 32 kbps (D) 8 kbps (A) NP (B) P 108. When a cache is 10 times faster than main (C) Hand (D) Complex memory, and the cache can be used 70% 103. When factorizing the Boolean equation of the time, how much speed can be Y = AB + AB , the result will be gained using cache ? (A) AB (B) AB (A) ≃ 10 (B) ≃ 0.3 (C) A (D) B (C) ≃ 0.7 (D) ≃ 2.7 104. Integration testing, unit testing & system 109. Who developed standards for the OSI Testing are _____ . reference model ? (A) Fundamental logic of testing (A) ANSI – American National Standards Institute (B) Level Testing (B) ISO – International Standards (C) Core Testing Organization (D) Testing (C) IEEE – Institute of Electrical and 105. DELETE (FROM) table (WHERE condition]; Electronics Engineering from the syntax if you commit the WHERE (D) ACM – Association for Computing clause. Machinery (A) All rows in the table are deleted 110. (a + b)2 corresponds to the language : (B) It will give you an error (A) {a + b, a + b} (C) No rows will be deleted (B) {aa, ab, ba, bb} (D) Only one row will be deleted (C) {abab, baba} 106. Match the following : (D) {a + b, (a + b)2} List-I List-II x y x y             z = cos + sin , 111. If then xzx + yzy is equal W. Condition 1. Block box coverage testing to ______ . X. Equivalence 2. System (A) z (B) 2z class testing (C) 4z (D) 0 partitioning 112. The following grammar is an example of Y. Volume testing 3. White-box _______ . testing A → a A B C CB → B c Z. Alpha testing 4. Performance A → a b c testing b B → b b B → c b a (A) Type 0 Grammer 107. The bit transmission rate in a pulse coded (A) W-2, X-3, Y-1, Z-4 (B) W-3, X-4, Y-2, Z-1 (C) W-3, X-1, Y-4, Z-2 (D) W-3, X-1, Y-2, Z-4 (B) Type 1 Grammer (C) Type 2 Grammer (D) Type 3 Grammer modulation system with number of 10

12. byjusexamprep.com 113. What does the following code do ? (A) Structure int a, b; (B) Link List a = a + b; (C) Stack b = a – b; (D) Doubly link list a = a – b; 117. A sequence of statement of the form x = y (A) leaves a and b unchanged op 1 is called a : (B) a doubles and stores in a (A) Three address code (C) b doubles and stores in a (B) Syntax tree (D) Exchanges a and b (C) Postfix rotation 114. The maximum number of times the (D) Operator decrease key operation performed in 118. The channel capacity of a noise free Dijkstra’s algorithm will be equal to _____ channel having M symbols is given by : (A) Total number of vertices (A) M (B) 2M (B) Total number of edges (C) log M (D) None of these (C) Number of vertices – 1 119. If A and B are two sets. A binary relation (D) Number of edges – 1 from set A and set B is any subset of the 115. If developer wants to transform model into ______ . source code is also known as _____. (A) Cartesian Product A × B (A) Backward Testing/Engineering (B) Union A ∪ B (B) Forward Engineering (C) Intersection A ∩ B (C) Forward Testing (D) Addition A + B (D) Reverse Engineering 120. Which is the layer that converts Packets to 116. The following type definition is for ______. Frames and Frames to Packets in the OSI type pointer = node model ? node y record (A) Physical Layer data : integer (B) Data Link Layer link : pointer (C) Network Layer end: (D) Transport Layer 11

13. byjusexamprep.com ANSWER KEY 1. A 2. D 3. C 4. D 5. D 6. B 7. D 8. C 9. D 10. A 11. C 12. B 13. D 14. D 15. D 16. B/C 17. B/C 18. None 19. B 20. D 21. A 22. D 23. A 24. B 25. B 26. A 27. B 28. B 29. D 30. D 31. D 32. A 33. C 34. C 35. D 36. B 37. A 38. A 39. B 40. A 41. C 42. C 43. C 44. D 45. C 46. A 47. A 48. A 49. C 50. A 51. C 52. A 53. A 54. D 55. B 56. A 57. C 58. A 59. B 60. C 61. B 62. C 63. A 64. B 65. A 66. B 67. C 68. B 69. A 70. A 71. A 72. C 73. B 74. A 75. B 76. A 77. A 78. C 79. A 80. B 81. A 82. C 83. C 84. C 85. B 86. A 87. C 88. B 89. C 90. B 91. D 92. Ans:0 (None of the option match) 93. B 94. B 95. D 96. A 97. B 98. A 99. C 100. B 101. B 102. A 103. C 104. B 105. A 106. C 107. B 108. D 109. B 110. B 111. D 112. A, B 113. D 114. B 115. D 116. B 117. A 118. C 119. A 120. B **** 2