Group D — Test 20

01. Which of the following expressions is representing the correct lens formula?

02. Which of the following statements are correct about molecular mass? Statement 1: The molecular mass of a substance is the sum of the atomic masses of all the atoms in a molecule of the substance. Statement 2: It is also known as the relative mass of a molecule. Statement 3: It is expressed in atomic mass units (u).

03. What is the IUPAC name for an organic compound with two carbon atoms and a hydroxyl (−OH) functional group?

04. Which of the following reproductive method will generate greater diversity in population?

05. The nature of the bond formed in aliphatic carbon compounds is:

06. An electric bulb is rated 110 Watt – 220 Volt. The current drawn by the bulb is:

07. Which of the following methods is an example of asexual reproduction in plants?

08. When an empty plastic bottle with an airtight stopper is pushed deeper into a bucket of water, the increasing upward force that resists the downward push is known as ___________.

09. Why is the plasma membrane called selectively permeable?

10. If the direction of current in a conductor is reversed, the direction of force on it will:

11. Why do we experience muscle cramps after heavy exercise?

12. A 1000 kg car moving at 10 m/s is brought to rest by a constant braking force in 5 s. What is the magnitude of the force?

13. Read the given Assertion (A) and Reason (R) carefully and select the correct option. (A): Mendel chose pea plants for his experiments because they were easy to grow and showed distinct contrasting traits. (R): Pea plants reproduce asexually, allowing Mendel to control crosses easily.

14. If an object moves from point A to point B (50 m east) and returns to point A in 10 seconds, its average velocity is:

15. Which of the following observations could NOT be explained by Rutherford’s model of the atom?

16. Providing water to crops at optimal times during their growth cycle directly contributes to what outcome?

17. When dilute hydrochloric acid reacts with sodium hydrogencarbonate, which of the following observations is correct?

18. If the speed of a wave is 300 m/s and its wavelength is 0.75 m, the frequency of the wave is _________.

19. Which of the following is NOT a method of irrigation?

20. A man lifts a stone of mass 22 kg through a vertical height of 4 m. Calculate the work done. (Take g = 10 m/s²)

21. Suspensions are different from solutions because:

22. The gas released on the reaction of metal carbonate with hydrochloric acid turns lime water milky. The released gas is:

23. A concave mirror forms an image at a distance of 20 cm when an object is placed 10 cm in front of it. What is the focal length of this mirror?

24. Detergents can work in which of the following?

25. Which statement correctly represents the location of the meristematic tissue in a plant body?

26. The perimeter of a rectangle is 54 cm. Its length is 3 cm more than twice the breadth. Find the breadth.

27. One pipe can fill a tank in 9 minutes while another pipe can empty the completely filled tank in 36 minutes. If both the pipes are opened together when the tank is empty, how many minutes will it take to fill one-half of the tank?

28. Divide ₹8,118 between Ravina and Sarita in the ratio 3 : 15, then find the share of Sarita. 5293

29. After selling an article at a discount of 44%, the profit percentage obtained is 12%. What is the markup percentage?

30. A can complete a piece of work in 90 days. B is 75% less efficient than A. C is 80% more efficient than B. If B and C work together for 30 days, A alone will complete the remaining work in:

31. Two banks, A and B, offered loans at 3.5% and 7.5% per annum, respectively. Chetan borrowed an amount of ₹2,00,000 from each bank. Find the positive difference (in ₹) between the amounts of simple interest paid to the two banks by Chetan after 3 years.

32. A typist takes 40 minutes to type 2 pages. How long (in minutes) will he take to type 87 pages? 2688

33. A garrison of 1200 men has provisions for 12 days. How long (in days) will the provisions last if the garrison be increased by 600 men?

34. The sides of a triangle are 85 cm, 13 cm, and 84 cm. What is the length of its altitude corresponding to the side with a length of 13 cm?

35. By selling 20 pens for the cost price of 25 pens, what is the profit percentage?

36. If 20% of a number is added to 96, then the result is the same number. 70% of the same number is:

37. Bharat buys a gold ring for his mother. The ring is marked at ₹96,000 and is offered with two successive discounts of 25% and Q%, respectively. After receiving both discounts, he pays ₹18,000. Find the value of Q.

38.  

39. The cost of a washing machine is 16% less than the cost of a TV. If the cost of the washing machine increases by 80% and that of the TV decreases by 44%, then what is the percentage change in the total cost of 5 washing machines and 2 TVs?

40. If a 2622 m long train crosses a pole in 57 seconds, then find the time (in seconds) taken by the train to cross a 736 m long platform.

41. The arithmetic mean of the observations 53, 63, 79, 40, 34, 88, 34, 25 and 25 is:

42. Akshat and Neha together invested ₹57,000 in a business. At the end of the year, out of a total profit of ₹8,000, Akshat's share was ₹2,200. How much was Akshat's investment?

43. If a – b = 6 and ab = 135, then find a possible value of (a + b).

44. A solid metallic sphere of radius 9 cm is melted and recast into smaller spherical balls, each of radius 3 cm. Find the number of such small balls formed.

45. A train overtakes two persons walking along a railway track. The first person walks at 10.8 km/hr, and the second person walks at 21.6 km/hr. The train takes 15 seconds and 20 seconds, respectively, to completely pass them. What is the speed of the train if both persons are walking in the same direction as the train?

46. The present age of Mohan is three times the age of his son Rakesh. Four years ago from now, Mohan’s age was four times his son’s age at that time. What will be Rakesh’s age (in years) after 7 years from now?

47. 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 kiwis are bananas. All bananas are mangoes. Conclusions: (I): All kiwis are mangoes. (II): Some mangoes are bananas.

48. Read the given statement(s) 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 statement(s). Statements: All cats are mammals. No mammals are pets. Conclusions: (I) Some pets are cats. (II) No cat is pet.

49. If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, what will come in place of the question mark (?) in the following equation? 50 C 30 B 4 A 12 D 27 = ? 3843

50. Seven boxes A, B, C, D, E, F and G are kept one over the other but not necessarily in the same order. No box is kept above D. Only three boxes are kept between D and F. Only one box is kept between G and E. E is kept immediately above F. Only four boxes are kept between G and

51. Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (Left) * + 9 \ / ? > @ 5 5 / ? / 9 * 1 ? # + 6 # (Right) How many such symbols are there, each of which is immediately preceded by a number and also immediately followed by a number?

52. Sarita starts from Point A and drives 8 km towards the west. She then takes a left turn, drives 5 km, turns left and drives 5 km. She then takes a right turn and drives 6 km. She takes a final left turn, drives 3 km and stops at Point P. How far (shortest distance) and towards which direction should she drive in order to reach Point A again? (All turns are 90 degrees turns only unless specified.)

53. Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? CUM150, MEW136, WOG122, GYQ108, ?

54. GKNE is related to KHRB in a certain way based on the English alphabetical order. In the same way, OEVY is related to SBZV. To which of the given options is WYDS related, following the same logic?

55. In a certain code language, ‘STAR’ is coded as ‘3451’ and ‘RATE’ is coded as ‘4375’. What is the code for ‘E’ in the given code language? 8992

56. 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 is the letter-cluster that does NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their positions in the letter-cluster.)

57. What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘ ÷ ‘ are interchanged and ‘ - ’ and ‘ x ’ are interchanged? 168 + 42 x 14 - 9 ÷ 207 = ?

58. A, B, C, D, E, F and G are sitting around a circular table, facing the centre. Only two people sit between F and B when counted from the right of F. Only two people sit between B and A when counted from the right of B. Only three people sit between F and E when counted from the right of F. D sits to the immediate left of C. How many people sit between F and G when counted from the left of F?

59. YPMW is related to CLPT in a certain way based on the English alphabetical order. In the same way, GHSQ is related to KDVN. To which of the given options is OZYK related, following the same logic?

60. 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/subtracting/multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (17, 34, 2) (13, 39, 3)

61. What should come in place of the question mark (?) in the given series? 27 51 77 105 135 ?

62. Mr. Akai starts from Point A and drives 2 km towards south. He then takes a right turn, drives 12 km, turns right and drives 21 km. He then takes a right turn and drives 23 km. He takes a final right turn, drives 19 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90 degrees turns only unless specified)

63. In a certain code language, ‘bring hot food’ is coded as ‘cf tk rg’ and ‘food is good’ is coded as ‘ml do cf’. How is ‘food’ coded in that language?

64. What should come in place of the question mark (?) in the given series based on the English alphabetical order? GLO NSV UZC BGJ ?

65. If ‘E’ stands for ‘+’, ‘F’ stands for ‘−’, ‘G’ stands for ‘×’ and ‘H’ stands for ‘÷’, what will come in place of the question mark (?) in the following equation? 72 H 8 G 2 E 10 F 5 = ?

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

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

68. What should come in place of the question mark (?) in the given series? 4 6 12 14 28 ?

69. Seven people, A, B, C, D, E, F and G, are sitting in a row, facing north. No one sits to the right of C. Only three people sit between C and D. Only two people sit between D and G. A sits third to the left of F. B sits to the immediate right of F. How many people sit to the right of B?

70. 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 letter-cluster pair 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.)

71. NHRX is related to RFVV in a certain way based on the English alphabetical order. In the same way, VDZT is related to ZBDR. To which of the following is DZHP related, following the same logic? 6415

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

73. Seven boxes, D, E, F, U, V, W and X, are kept one over the other but not necessarily in the same order. No box is kept above X. Only two boxes are kept between W and V. Only U is kept below E. Only three boxes are kept between E and W. D is not kept immediately above V. How many boxes are kept between F and U?

74. What should come in place of the question mark (?) in the given series to make it logically complete? 11 14 19 26 ?

75. In a certain code language, ‘A + B’ means ‘A is the father of B’ ‘A - B’ means ‘A is the mother of B’ ‘A * B’ means ‘A is the sister of B’ ‘A ÷ B’ means ‘A is the wife of B’ Based on the above, how is X related to Q if ‘X ÷ Y + Z * P - Q’?

76. A, B, C, D, W, X and Y are sitting around a circular table facing the centre of the table. A sits third to the left of X. Only one person sits between X and C when counted from the left of C. Only two people sit between B and W when counted from the right of W. D is an immediate neighbour of B. Who sits third to the right of Y?

77. With which country did India sign a major defence agreement worth ₹63,000 crore on 28 April 2025, for the acquisition of 26 Rafale-Marine fighter jets?

78. Who among the following was awarded the Women's Player of the Year at the AIFF Awards 2025?

79. Which of the following states launched Surakshit Shanivar (Safe Saturday), a disaster preparedness initiative for students in June 2025?

80. In February 2025, the Technology Development Board signed an agreement with which company to produce purified pyrolysis oil to make circular plastics and sustainable chemicals?

81. In May 2025, Sudan’s army appointed whom among the following as a new Prime Minister after two years of civil war?

82. In April 2025, which of the following cities was hit by a sandstorm causing major flight disruptions?

83. With which country did India sign a significant defence Memorandum of Understanding (MoU) (through the JCBL Group) in April 2025 which is aimed at bolstering India’s domestic defence manufacturing capabilities?

84. The 28 th National Conference on e-Governance (NCeG) was held in _______________ during June 2025.

85. Who is the author of the book ‘Wild Fictions: Essays’ published in January 2025?

86. Where was the 58 th edition of the World Table Tennis Championships held in May 2025?

87. In May 2025, which among the following institutions formally announced the creation of the Payments Regulatory Board (PRB), a six-member panel responsible for overseeing the country’s payment systems?

88. Where was the headquarters of the National Turmeric Board inaugurated by Union Home Minister Amit Shah in June 2025?

89. Where was the 7 th Khelo India Youth Games held in May 2025?

90. In January 2025, who clinched the men’s singles title at the India Open 2025 badminton tournament in New Delhi?

91. What is the main aim of the Youth Spiritual Summit held in Varanasi on the banks of River Ganga in July 2025?

92. In March 2025, the central bank of which country signed a Memorandum of Understanding (MoU) with the Reserve Bank of India (RBI) to enable cross-border transactions in local currencies?

93. In 2025, Shubhanshu Shukla conducted an International Space Station (ISS) experiment with moong and methi seeds to study:

94. As of 2023, how many wildlife sanctuaries are there in India?

95. Which of the following folk artists became the first dhaki to win a Padma Shri in 2025?

96. Where was the 2 nd Global Cervical Cancer Elimination Forum held?