20000+ Important MCQs for TET

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Learn TET MCQs with answers [Page 8 of Department 58]

M

Mr. Dubey • 100.69K Points
Coach Math

71) A and B can do a piece of work in 72 days. B and C can do it in 120 days, A and C can do it in 90 days. In how many days all the three together can do the work ?

  • (A) 150 days
  • (B) 60 days
  • (C) 80 days
  • (D) 100 days
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Correct Answer - Option (B)

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M

Mr. Dubey • 100.69K Points
Coach Math

72) If A and B together can complete a work in 18 days, A and C together in 12 days and B and C together in 9 days, then B alone can do the work in

  • (A) 40 days
  • (B) 30 days
  • (C) 18 days
  • (D) 24 days
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Correct Answer - Option (D)

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M

Mr. Dubey • 100.69K Points
Coach Math

73) A and B together can complete a piece of work in 72 days, B and C together can complete it in 120 days, and A and C together in 90 days. In what time can A alone complete the work ?

  • (A) 150 days
  • (B) 120 days
  • (C) 80 days
  • (D) 100 days
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Correct Answer - Option (B)

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M

Mr. Dubey • 100.69K Points
Coach Math

74) A and B together can do a piece of work in 10 days. A alone can do it in 30 days. The time in which B alone can do it is

  • (A) 20 days
  • (B) 15 days
  • (C) 10 days
  • (D) 12 days
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Correct Answer - Option (B)

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M

Mr. Dubey • 100.69K Points
Coach Math

75) If A and B together can finish a piece of work in 20 days, B and C in 10 days and C and A in 12 days, then A, B, C jointly can finish the same work in

  • (A) 7/60 days
  • (B) 60/7 days
  • (C) 30/7 days
  • (D) 30 days
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Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

M

Mr. Dubey • 100.69K Points
Coach Math

76) A and B together can do a piece of work in 5 days and A alone can do it in 8 days. B alone can do the same piece of work in

  • (A) 16 4/5 days
  • (B) 40/3 days
  • (C) 34/3 days
  • (D) 63/5 days
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Correct Answer - Option (B)

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K

Kartik Sharma • 7.98K Points
Tutor III Math

78) A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

  • (A) 120 metres
  • (B) 180 metres
  • (C) 324 metres
  • (D) 150 metres
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Correct Answer - Option (D)

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K

Kartik Sharma • 7.98K Points
Tutor III Math

79) A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:

  • (A) 45 km/hr
  • (B) 50 km/hr
  • (C) 54 km/hr
  • (D) 55 km/hr
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Correct Answer - Option (B)

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K

Kartik Sharma • 7.98K Points
Tutor III Math

80) The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:

  • (A) 200 m
  • (B) 225 m
  • (C) 245 m
  • (D) 250 m
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Correct Answer - Option (C)

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