Time and Work

1

A lift has the capacity of 18 adults or 30 children. How many children can board the lift with 12 adults?

  1. 6
  2. 10
  3. 12
  4. 15
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2

If 15 men can complete a work in 16 days. If 24 men are employed, then the time required to complete that work will be

  1. 7 days
  2. 8 days
  3. 10 days
  4. 12 days
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3

It takes 3 hours to fill a tank but due to a leakage it takes 4 hours. How long would the leak take to empty a full tank?

  1. 18 hours
  2. 16 hours
  3. 12 hours
  4. 10 hours
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4

Pipe A can fill a tank in 3 hours. But there is a leakage also, due to which it takes 3.5 hours, for the tank to be filled. How much time will the leakage take in emptying the tank if the tank is filled initially?

  1. 10.5 hours
  2. 18 hours
  3. 20 hours
  4. 21 hours
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5

18 men can earn ₹ 360 in 5 days. How much money will 15 men earn in 9 days?

  1. ₹ 540
  2. ₹ 360
  3. ₹ 480
  4. ₹ 600
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6

If 10 persons can dig 8 feet trench in 12 days, then how many days will 8 persons take to dig 6 feet trench?

  1. 10 days
  2. 10.25 days
  3. 11 days
  4. 11.25 days
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7

X can complete a job in 12 days. If X and Y work together, they can complete the job in 6⅔ days. Y alone can complete the job in

  1. 10 days
  2. 12 days
  3. 15 days
  4. 18 days
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8

20 workers working for five hours per day complete a work in 10 days. If 25 workers are employed to work 10 hours per day, what is the time required to complete the work?

  1. 4 days
  2. 5 days
  3. 6 days
  4. 8 days
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9

76 ladies complete a job in 33 days. Due to some reason some ladies did not join the work and therefore it was completed in 44 days. The number of ladies who did not report for the work is

  1. 17
  2. 18
  3. 19
  4. 20
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10

A can do a piece of work in 4 days and B can complete the same work in 12 days. What is the number of days required to do the same work together.

  1. 2 days
  2. 3 days
  3. 4 days
  4. 5 days
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11

4 goats or 6 sheep can graze a field in 50 days. 2 goats and 9 sheep can graze a field in

  1. 100 days
  2. 75 days
  3. 50 days
  4. 25 days
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12

If 5 men can do a piece of work in 10 days and 12 women can do the same work in 15 days, the number of days required to complete the work by 5 men and 6 women is

  1. 7½ days
  2. 8 days
  3. 9½ days
  4. 12 days
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13

A and B working together can finish a piece of work in 12 days while B alone can finish it in 30 days. In how many days can A alone finish the work?

  1. 18 days
  2. 20 days
  3. 24 days
  4. 25 days
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14

If 15 men take 21 days of 8 hours each to do a piece of work, then what is the number of days of 6 hours each that 21 women would take, if 3 women would do as much work as 2 men?

  1. 18
  2. 20
  3. 25
  4. 30
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15

Two pipes A and B can independently fill a tank completely in 20 and 30 minutes respectively. If both the pipes are opened simultaneously, how much time will they take to fill the tank completely?

  1. 25 minutes
  2. 10 minutes
  3. 12 minutes
  4. 15 minutes
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