Group D — Test 50

01. Which event does NOT directly occur during photosynthesis in green plants?

02. Which of the following is a characteristic reaction of saturated hydrocarbons (alkanes)?

03. Which practice demonstrates judicious energy use at home?

04. If the radius of curvature of a convex mirror used for rear-view on an automobile is 4.00 m, what is its focal length?

05. A retarding force of 10 N acts on a body. The work done due to this force is −200 J. What will be the magnitude and direction of the displacement of the body under the action of this force?

06. What is a decomposition reaction?

07. Which of the following statements about variations is INCORRECT?

08. The process by which the developing embryo gets associated with the lining of the uterus is called _________.

09. Which of the following represents corrosion?

10. Which of the following ensures that the DNA amount is NOT doubled in every generation?

11. What happens to the concentration of a solution if more solute is added to the same amount of solvent?

12. Which of the following is the correct function of the Golgi body in a plant cell?

13. A straight current carrying conductor has a magnetic field (B) associated with it. Which of the following is correct regarding the value of magnetic field (B)? (i) The magnetic field will increase as we move away from the conductor. (ii) The magnetic field will decrease as we move away from the conductor. (iii) The magnetic field will increase when the current flowing through the conductor increases. (iv) The magnetic field will first decrease when the current flowing through the conductor increases.

14. Which of the following is true about infrasonic sound?

15. Which of the following best defines the concentration of a solution?

16. Which of the following pairs represent the Isobar?

17. Which metal reacts violently with cold water?

18. Which of the following is an allotrope of carbon?

19. Which of the following statements is NOT correct about resistivity?

20. If the force on an object is doubled while its mass remains the same, the acceleration:

21. If you push a stationary wall with 80 N, the wall pushes you back with ______.

22. Select the option that is true regarding the following two statements labelled Assertion (A) and Reason (R). Assertion (A): Insulin helps lower blood glucose levels. Reason (R): Insulin converts glucose into glycogen for storage in the liver.

23. When salt solution is applied to boiled Rhoeo leaf peels, it fails to show plasmolysis due to:

24. Which of the following is correct for concave mirrors?

25. A, B and C can do a work in 17 days, 51 days and 68 days, respectively. They finished together that work and gained ₹5,985 in wages. Find B's wage (in ₹).

26. A, B and C can do a piece of work in 3, 10 and 15 days, respectively. How long (in days) will they take to do twice the same work, working together?

27. The price of fuel decreases by 45%, 15% and 50% in three successive months, but increases by 70% 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? (Rounded off to two decimal places)

28. In an election between two candidates, 20% of the voters did not cast their votes, and all the votes cast were valid. The winner secured 70% of the votes cast and won by a margin of 23,200 votes. What was the total number of voters?

29. In a distribution where the empirical relation holds true, if both the mode and the median are 46, find the mean.

30. If 5 x − y = 3125 and 3 3x + y = 2187, then the value of 19x − 18y is:

31. A car travels a distance of 120 km in 2 hours. What is its speed?

32. Aarti got a new bed at 50% discount. If Aarti did not get any discount, Aarti would have to pay ₹8,453 extra. So how much did Aarti pay for the bed?

33. An article is marked 25% above its cost price. A discount is offered so that a profit of 15% is made. Find the discount percentage.

34. The average age of 43 students of a class is 25 years. If the age of the teacher is also included, the average age of the whole group becomes 26 years. The age (in years) of the teacher is:

35. A stationery seller purchases 6 notebooks for ₹30 and sells them for ₹36. What is his profit percentage?

36. 11131  

37. Find the value of x in the given expression.

38. A taxi service charges a fixed base fare plus a variable rate per kilometre. For a 10 km trip, Raju paid ₹230 and for a 15 km trip, Meena paid ₹330. What is the base fare and the per-kilometre charge?

39. The height of a cylinder is 56 cm. If the circumference of its base is 176 cm, then what is the total surface area (in cm 2 ) of this cylinder?

40. ₹8,516 is divided among A, B and C in such a way that if ₹88, ₹31 and ₹90 are deducted from their respective shares, they have money in the ratio 18:17:4. Find the difference between B’s and C’s original shares.

41. A garrison of 1209 men has provisions for 20 days. How long (in days) will the provisions last if the garrison is increased by 403 men?

42. In quadrilateral PQRS, the bisectors of ∠ R and ∠ S meet at the point T (inside the quadrilateral) and ∠ STR = 17°. If the ratio of ∠ P to ∠ Q is 8 : 9, then what is the difference between the measures of ∠ Q and ∠ P?

43. The amount on a sum of ₹4,400 at 5% per annum compound interest, compounded annually, in 2 years will be:

44. The sum of the present ages of Priya and her younger brother Rohan is 44 years. Four years ago, Priya was twice as old as Rohan was at that time. What is Priya’s current age (in years)?

45. The market prices of jowar to gram are in the ratio 1 : 5, and a family consumes them in the ratio 4 : 3 by quantity. Find the ratio of expenditure on jowar to that on gram.

46. In a traffic jam on the road, Car A is to the right of Car B. Car D is to the left of Car B. Car F is behind Car D. What is the position of Car F with respect to Car B?

47. What should come in place of the question mark (?) in the given series? 28 33 23 28 ? 23

48. What should come in place of the question mark (?) in the given series based on the English alphabetical order? NDG, PFI, RHK, TJM, ?

49. A, B, C, D, N, O and P are sitting in a straight line, facing the north. Only N sits to the left of P. Only four people sit between N and A. Only B sits between O and C, and O is not an immediate neighbour of A. Who sits at the extreme right of the line?

50. 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.) (28, 4, 336) (25, 5, 375)

51. 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.)

52. What should come in place of the question mark (?) in the given series? 249 232 215 198 181 ?

53. 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 hydrogen is oxygen. Some oxygen is nitrogen. Some nitrogen is carbon. Conclusions: (I): Some nitrogen is hydrogen. (II): No carbon is oxygen.

54. What should come in place of the question mark (?) in the given series? 951 952 954 957 961 ?

55. Refer to the given number series and answer the question that follow (all numbers are single digit numbers only). (Left) 4 2 1 5 7 9 8 5 3 6 2 1 5 7 3 7 8 4 3 6 9 7 4 5 2 4 1 (Right) How many prime numbers are there in the number series?

56. All 63 people are standing in a row, facing the north. Mr. Zzz is 12 th from the left end while Mr. Ggg is 5 th from the right end. How many people are there between Mr. Zzz and Mr. Ggg?

57. Each of the digits in the number 1368497 is arranged in ascending order from left to right. What will be the sum of the digits that are second from the left and second from the right in the new number thus formed?

58. 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.)

59. Seven boxes D, E, F, U, V, W and X are kept one over the other but not necessarily in the same order. Only five boxes are kept below X. Only three boxes are kept between F and X. V is kept at one of the positions below F. Only E is kept between X and W. D is kept at one of the positions above X. How many boxes are kept between V and D?

60. 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: Some houses are kites. All mangoes are houses. All flowers are kites. Conclusions: (I) Some houses are flowers. (II) No flowers are mangoes.

61. Seven people, R, S, T, U, V, W and X, are sitting in a row, facing east. V is seated third from the right end. S is fourth to the left of W. R is seated to the right of V and at one of the ends. Only one person is seated between T and S. U does not sit at any of the extreme ends. Who is seated at the extreme left end?

62. If 1 is added to each even digit and 2 is subtracted from each odd digit in the number 7593562, which of the following digits will be second from the left in the new number this formed?

63. Each of the digits in the number 9214538 is arranged in the ascending order from left to right. The position(s) of how many digits will remain unchanged as compared to that in the original number? 4970

64. Ramesh starts from Point A and drives 51 km towards the north. He then takes a right turn, drives 55 km, turns right and drives 54 km. He then takes a right turn and drives 56 km. He takes a final right turn, drives 3 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-degree turns only unless specified.)

65. In a certain code language, ‘bring the cup’ is coded as ‘bz rs tq’ and ‘cup on the’ is coded as ‘rs pl tq’. How is ‘on’ coded in that language?

66. In a certain code language, ‘A + B’ means ‘A is the father of B’, ‘A – B’ means ‘A is the husband of B’, ‘A × B’ means ‘A is the wife of B’ and ‘A ÷ B’ means ‘A is the mother of B’. How is F related to K if ‘F × G + H – I ÷ K’?

67. Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? BZA 30 ZXY 41 XVW 52 VTU 63 ?

68. Six people, A, B, C, D, E and F, are sitting in a row, facing north. A sits to the immediate right of E. B sits fourth to the left of E. Only one person sits between B and F. C sits to the immediate left of F. D sits second to the left of A. Three of the following four are alike in a certain way based on the given arrangement and thus form a group. Which is the one that does not belong to that group?

69. BDBF is related to JLJN in a certain way based on the English alphabetical order. In the same way, HJHL is related to PRPT. To which of the given options is RTRV related, following the same logic?

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

71. Select the pair which follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. CUV : AYT YCR : WGP

72. This question is based on the five, three-digit numbers given below. (Left) 742 912 853 657 154 (Right) (Example: 697 – First digit = 6, second digit = 9 and third digit = 7) Note: All operations to be done from left to right. If all the numbers are arranged in descending order, the position(s) of how many numbers will remain unchanged?

73. In a certain code language, ‘give me bike’ is written as ‘bn gt ry’ and ‘who know me’ is coded as ‘ry fh vt’. How is ‘me’ coded in that language?

74. In the following triad, each group of letters is related to the subsequent one following a certain logic. Select from the given options, the one which follows the same logic. WEAR - EAWR - RAEW SINK - INSK - KNIS

75. Refer to the following number-symbol series and answer the question that follows. Counting is to be done from left to right only. (Left) $ # # £ 9 % £ 7 * & € 1 3 4 5 6 4 9 € 2 5 & (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?

76. Who inaugurated the Chief Minister's Mini Sports Stadium in Madurai district in March 2025?

77. In January 2025, the Reserve Bank of India removed supervisory restrictions on which of the following Non-Banking Financial Companies (NBFCs)?

78. The country's first earthquake early warning mobile application 'Bhookamp' has been developed in which of the following IITs?

79. Whose statue was unveiled at Raj Bhavan, Goa, by the Vice-President of India and is known as the 'Father of Medicine' in ancient Indian history?

80. The Environment Audit Rules, 2025, were introduced by which ministry in India?

81. Which Pakistani javelin thrower received the 'Best Asian Athlete' title in May 2025?

82. Which other Bill related to Waqf matters also received Presidential assent in 2025?

83. Which of the following Constitution Amendment Bills was introduced in the Lok Sabha in August 2025?

84. What was India’s unemployment rate in May 2025, as per the Periodic Labour Force Survey (PLFS)?

85. Which day is recognised as International Youth Day in 2025?

86. At the Panorama International Literature Festival Awards, 2025, which young Indian received the Serena Memorial Child Prodigy Award, 2025?

87. Who became the first Indian chess player to be ranked No.1 in the live FIDE rankings in 2025?

88. Which of the following Bills, presented by the Union Home Minister and Minister of Cooperation on 20 August 2025, prohibits individuals holding key constitutional offices from administering the government while in jail?

89. As announced in June 2025, which of the following banks approved $109.97 million loan to boost advanced skills and employability in Gujarat?

90. Which public sector company secured a ₹511 crore Transfer of Technology (ToT) deal from ISRO in 2025 to manufacture and commercialise Small Satellite Launch Vehicles (SSLVs)?

91. What is the name of the ChatGPT-style AI service set to be launched by Reliance Industries?

92. Indian Conservation Conference–2025, highlighting traditional knowledge and scientific approaches, took place in which month of 2025?

93. According to the 2025 Global Hunger Index report, what is India’s rank among the assessed countries?

94. What is the name of the new programme launched by the National Commission for Women (NCW) in May 2025 for college students to promote gender sensitivity, raise awareness on the prevention of sexual harassment and address cyber crimes impacting students?

95. In which Union Territories will the 5 th edition of Khelo India Winter Games 2025 be held?