Group D — Test 86

01. Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules. This property is called:

02. Which of the statement(s) is/are NOT true about the phenomenon of scattering of light: (i) The amount of scattering light undergoes is independent of the size of particles of the medium through which light is passing. (ii) The amount of scattering is directly proportional to the wavelength of light. (iii) The colour of the sky appears blue as blue light undergoes more scattering as compared to red light. (iv) The colour of danger signal is red as red colour undergoes least amount of scattering when passing through fog.

03. If the length of a conductor and area is halved, keeping material same, then its resistance will ________.

04. Which colour do silver articles attain when they get corroded and form a coating of silver sulphide?

05. Which of the following statements about ions is correct?

06. What is the equivalent of 1 kilowatt-hour (kWh) in joules?

07. Which of the following best explains why combination reactions are often exothermic?

08. What effect does an unbalanced force have on a moving object?

09. Through which of the following structures does urine go into the urinary bladder from kidneys?

10. What is the main purpose of cell division in multicellular organisms?

11. Which of the following methods of reproduction simply involves the splitting of the parent cell into two daughter cells in the bacteria?

12. A car slows down uniformly when brakes are applied, producing an acceleration of 8 m/s 2 opposite to its motion. If the car comes to rest in 2s, what distance does it cover before stopping?

13. Ethanoic acid is commonly known as acetic acid and has:

14. If a body of mass m is raised to a height h in a gravitational field of acceleration g, its potential energy depends on:

15. ___________ is/are NOT selectively re-absorbed from the filtrate in the nephron.

16. Which of the following is a major environmental disadvantage of big dams?

17. Which of the following organelles is the first to divide during binary fission in Amoeba?

18. The main purpose of designing a hall with curved walls and ceilings is _______.

19. Which of the following is a homologous series?

20. Which of the following statements best differentiates a mixture from a compound?

21. If the stigma of a flower is damaged, which process would most likely be affected?

22. A body weighs 60 kg wt on the surface of the moon. What will be the mass and the weight, respectively, of the body on the surface of the Earth? (Take the value of g on Earth as 10 m/s 2 )

23. Select the correct option regarding the following two statements labelled Assertion (A) and Reason (R). Assertion (A): Monoculture plantations often fail to meet the diverse needs of forest- dependent villagers. Reason (R): These plantations provide medicinal herbs, food and fuel for villagers.

24. An object is placed beyond the centre of curvature (C) of a concave mirror. The image formed will be now:

25. For 10 innings, a cricketer has an average of 76 runs. In the 11 th innings, he scores 193 runs. His average score increased by (rounded off to the nearest whole number): 990

26. Find the value of r, if 25 ( r – 1) + 100 = 5 (2 r – 1)

27. The price of fuel decreases by 35%, 40% and 50% in three successive months, but increases by 45% in the fourth month. What is the percentage increase/decrease in the price of fuel in the fourth month as compared to its original price? (Round off your answer to two decimal places.)

28. The arithmetic mean of the observations 18, 74, 33, 16, 35, 96, 40, 68 and 43 is:

29. The monthly incomes of two friends, Vijay and Mohan, are in the ratio 5 : 9, respectively, and each of them saves ₹4,2000 every month. If the ratio of their monthly expenditure is 2 : 4, find the monthly income of Vijay (in ₹).

30. The value of is: 2974

31. What is the minimum value that must be assigned to A so that the 8-digit number 130A1568 is divisible by 8?

32. The amount on a sum of ₹7,100 at 10% per annum compound interest, compounded annually, in 2 years, will be:

33. From a solid cylinder of height 48 cm and radius 14 cm, a conical cavity of radius 7 cm and height 24 cm is drilled out from one end of the cylinder. A hemisphere of radius 14 cm is scooped out from the other end. Find the total surface area (in cm 2 ) of the remaining solid.

34. A, B and C can do a piece of work in 3, 8 and 24 days, respectively. How long (in days) will they take to do twice the same work, working together?

35. What price should Amit mark on a pair of jeans which cost him ₹7,700, so as to gain 32% after allowing successive discounts of 16% and 20%?

36. Successive discounts of 20% and 29% are equivalent to a single discount of:

37. Find the product of two numbers whose sum is 24 and whose difference is 8.

38. The length of each side of a rhombus is 20 cm, and the length of one of the diagonals is 24 cm. Find the area (in cm 2 ) of the rhombus.

39. If 54 : A :: A : 150, then find the positive value of A.

40. The ratio of three numbers is 10 : 21 : 16. If 60 percent of the first number is 12, then what would be 40 percent of the difference of third and second number? 5001

41. A brother is 2 years younger than his sister, and together their ages sum to 26 years. How old is the sister?

42. A vertical pole stands on level ground. From a point 20 metres (m) away from the base of the pole, the angle of elevation to the top is 45°. What is the height of the pole?

43. The distance between points A and B is 964 km. Kamlesh travels from A to B at 48 km/hr and returns at 52 km/hr. Find his average speed for the entire journey.

44. A man buys a watch for ₹1,200 and sells it at a 10% loss. What is the selling price?

45. In a quadrilateral ABCD, ∠ A = 62° and ∠ B = 19°. The bisectors of ∠ C and ∠ D meet at O. What is the measure of ∠ DOC?

46. This question is based on the five, three-digit numbers given below. (Left) 562 428 653 154 749 (Right) (Example: 697 – First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) What will be the resultant if the second digit of the second highest number is added to the third digit of the second lowest number?

47. Town A is to the east of Town B. Town C is to the south of Town A. Town D is to the west of Town C. Town E is to the north of Town D. Town B is to the north-west of Town E. What is the position of Town A with respect to Town E?

48. In a certain code language, ‘A + B’ means ‘A is the brother of B’, ‘A – B’ means ‘A is the husband of B’, ‘A × B’ means ‘A is the sister of B’ and ‘A ÷ B’ means ‘A is the mother of B’. How is P related to T if ‘P + Q – R ÷ S × T’?

49. Seven boxes, B, D, E, P, S, T and W, are kept one over the other but not necessarily in the same order. Only three boxes are kept below W. Only two boxes are kept between W and P. Only B is kept above D. T is kept at some place below E and at some place above S. Which box is kept at second position from the bottom?

50. Which of the given letter-number clusters will replace the question mark (?) in the following series to make it logically complete? YCG 18 HLP 23 QUY 28 ZDH 33 ?

51. What should come in place of the question mark (?) in the given series? 808 818 829 841 854 ?

52. If 1 is added to each odd digit and 1 is subtracted from each even digit in the number 3215674, which of the following digits will be first from the right?

53. Seven people, A, B, C, D, E, F and G, are sitting in a row, facing north. B is seated third from the right end. G is third to the left of D. E is seated to the right of B and at one of the ends. Only two people are seated between F and E. A does not sit at any of the extreme ends. Who is seated at the extreme left end?

54. What should come in place of the question mark (?) in the given series? 21 28 38 51 67 ?

55. Select the pair which follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. HCU : LAY PYC : TWG

56. Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding to/subtracting from/multiplying with 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (57, 56.4, 58.4) (49, 48.4, 50.4) 2922

57. KNKM is related to LOLN in a certain way based on the English alphabetical order. In the same way, ILIK is related to JMJL. To which of the given options is OROQ related, following the same logic?

58. Six people G, H, I, Q, R and S are sitting in a straight line facing the north. No one is seated to the left of R. Only three people are seated between R and G. Only three people are seated to the right of H. Q is seated to the immediate left of H. S is not an immediate neighbor of H. How many people are seated between S and I?

59. This question is based on the five, three-digit numbers given below. (Left) 128 945 371 539 276 (Right) (Example- 697 – First digit = 6, second digit = 9 and third digit = 7) NOTE - All operations to be done from left to right. What will be the resultant if the second digit of the highest number is added to the third digit of the lowest number. 15166

60. Eight people – A, B, C, D, E, F, G and H, are sitting around a circular table facing the centre. Only two people sit between A and G when counted from the left of G. B sits to the immediate left of G. Only three people sit between C and B when counted from the left of C. E sits to the immediate right of D. F is not an immediate neighbour of B. Who sits second to the right of H?

61. What should come in place of the question mark (?) in the given series? 168 181 196 209 224 ?

62. In a certain code language, ‘light reveals truth’ is coded as ‘rn ea kw’ and ‘truth guides paths’ is coded as ‘ib rn xu’. How is ‘truth’ coded in the given language?

63. BYRS is related to LIBC in a certain way based on the English alphabetical order. In the same way, PMFG is related to ZWPQ. To which of the given options is TQJK related, following the same logic?

64. Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete? XLD, AOG, DRJ, GUM, ?

65. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All potatoes are bananas. All bananas are apples. Conclusions: (I) All potatoes are apples. (II) Some apples are bananas.

66. Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which is the letter-cluster pair that DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

67. If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, then what will come in place of the question mark (?) in the following equation? 42 A 6 D 5 B 3 C 18 = ?

68. Refer to the following series and answer the question that follows (all numbers are single digit numbers only). Counting to be done from left to right only. (Left) 9 1 8 6 9 1 8 4 8 2 6 9 7 2 6 5 9 8 4 7 1 9 1 6 9 6 5 (Right) How many such even numbers are there (from left to right) each of which is immediately preceded by an odd number and also immediately followed by an even number? 6621

69. Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

70. In a certain code language, ‘rain hall pig’ is coded as ‘kq zz nl’ and ‘pig bean error’ is coded as ‘hu mt zz’. How is ‘pig’ coded in that language?

71. Refer to the following number series and answer the question that follows (all numbers are single-digit numbers only). (Left) 6 1 2 1 8 4 2 3 1 7 5 3 5 9 8 5 2 1 9 3 6 6 7 2 6 7 5 (Right) How many such even numbers are there (from left to right), each of which is immediately preceded by an odd number and also immediately followed by an odd number?

72. If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 31264759, then what will be the sum of the second digit from the left and the third digit from the right in the new number thus formed?

73. A, B, C and D opened shopping complexes in the same city. The shopping complex of A is 6 km west of the shopping complex of B. The shopping complex of C is 4 km north of the shopping complex of B. The shopping complex of D is 6 km west of the shopping complex of C. In which direction is the shopping complex of D from the shopping complex of A?

74. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All bolts are screws. All bolts are nuts. All nuts are rivets. Conclusions: (I): All bolts are rivets. (II): Some nuts are screws.

75. In a row of 52 people facing north, Dimple sits 17 th from the left end. If only 15 people sit to the right of Avni, then how many people sit between Dimple and Avni?

76. Which city hosted WWE’s 'Night of Champions' on 28 June 2025?

77. The ISSF World Cup is associated with which of the following sports?

78. In October 2025, which national park was in the news for launching India’s first-ever cheetah safari for tourists?

79. In November 2025, 79 spotted deer were moved to which national park as part of conservation efforts in India?

80. At the Asian Para-Badminton Championship 2025 held in Thailand, how many total medals did Indian shuttlers win?

81. Which of the following bodies released the report titled ‘India’s Blue Economy: Strategy for Harnessing Deep-Sea and Offshore Fisheries’ in October 2025?

82. Who defended the 100 m hurdles title and set a Championships record of 12.96 s at the Asian Athletics Championships in May 2025?

83. Which edition of the WHO Global Summit on Traditional Medicine will be held in New Delhi in December 2025?

84. When was the 130 th Constitutional Amendment Bill introduced in the Lok Sabha?

85. Which classical Bharatanatyam talent aged 14 received the Nritya Kala Bhushan Bal Puraskar in May 2025?

86. At which institution was India's first AI teacher introduced?

87. According to reports released in May 2025, DRR Dhan 100 (Kamala), a genome-edited rice variety developed by ICAR-IIRR, Hyderabad, is a derivative of which of the following rice varieties?

88. Which of the following schemes is NOT converged into the Pradhan Mantri Virasat Ka Samvardhan scheme?

89. What was the Reserve Bank of India's repo rate in April 2025 after the 54 th meeting of the Monetary Policy Committee (MPC)?

90. As of June 2025, how many times has the Indian men’s junior hockey team won the Junior Asia Cup?

91. Which level of school education had the best pupil-teacher ratio (PTR) according to the UDISE+, 2024–25, report?

92. The U.S.–Turkey Nuclear Cooperation Agreement, signed in 2025, primarily focuses on developing which category of advanced nuclear reactors?

93. The Insurance Regulatory and Development Authority of India's (IRDAI) June 2025 advisory on the Air India AI‑171 crash was issued to which of the following stakeholders?

94. Which city ranked first in Category-1 (population of over 10 lakh) in the Swachh Vayu Sarvekshan Awards, 2025?

95. On 13 September 2025, the Ministry of Youth Affairs & Sports announced the second edition of which of the following events aimed at higher participation, new tracks, and broader outreach?