61. The ratio of the speed of a boat to that of the current water is 35 : 8. The boat goes along with the current in 5 hours 10 minutes. What will be the time taken by the boat to come back?

  • (A) 5 hours 15 minutes 58 seconds
  • (B) 6 hours 45 minutes 10 seconds
  • (C) 8 hours 13 minutes 48 seconds
  • (D) 9 hours 30 minutes 49 seconds

62. Sumit and Rajiv, working together, can do a job in 20 hours whereasSumit alone can do the same job in 25 hours. In how many hours can Rajiv alone do the job?

  • (A) 70
  • (B) 90
  • (C) 80
  • (D) 100

63. Two trains, P and Q, are running on parallel tracks in opposite directions with lengths of 110 m and 140 m, respectively. Train P is running at a speed of 70 km/h and took 5 seconds to cross train Q. The speed of train Q is:

  • (A) 120 km/h
  • (B) 110 km/h
  • (C) 90 km/h
  • (D) 100 km/h

64. A shopkeeper sold 3 wristwatches for ₹2,800 each. If he has sold the watches with 40%, 25% and 12% profit, respectively, then find his overall profit percentage (correct to 2 decimal places).

  • (A) 0.2419
  • (B) 0.2463
  • (C) 0.2455
  • (D) 0.2475

65. A man travels some distance from his house to the exhibition ground by an auto at a speed of 30 km/h and returns by a cab at a speed of 50 km/h. What is his average speed (in km/h)?

  • (A) 38
  • (B) 28
  • (C) 40
  • (D) 37.5

66. If the length and breadth of a cuboid are increased by 6% and 8%, respectively, then the percentage increase in its volume (correct to two decimal places) is:

  • (A) 13.96%
  • (B) 12.96%
  • (C) 14.48%
  • (D) 11.48%

67. The side PR of a ΔPQR is extended to S such that QR = RS. If ∠PRQ = 86°, then find the value of ∠PSQ.

  • (A) 94°
  • (B) 54°
  • (C) 43°
  • (D) 86°

68. The population of a town is 15000. If the population increases by 15% in the first year, by 25% in the second year and due to pollution it decreases by 6% in the third year, what will be its population after 3 years?(Round off number in answer)

  • (A) 20269
  • (B) 15269
  • (C) 25269
  • (D) 28269

69. Simplify

  • (A) 57.426
  • (B) 60.456
  • (C) 65.234
  • (D) 70.225

70. Simplify 45 ÷ 5 × 5 + 10 - 5.

  • (A) 40
  • (B) 50
  • (C) 60
  • (D) 30

Total Quizz:- 10040

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