Quantitative Aptitude

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Question 1

Find the number of trailing zeroes in 155!

  • 30

  • 38

  • 42

  • 44

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Question 2

Find the maximum value of n such that 671! is perfectly divisible by 45n.

  • 163

  • 164

  • 165

  • 166

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Question 3

The LCM of two numbers is 15 times of HCF. The sum of HCF and LCM is 480. If both number are smaller than LCM. Find both the numbers.

  • 60 and 90

  • 90 and 120

  • 120 and 150

  • 90 and 150

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Question 4

Find the least perfect square number which when divided by 4, 6, 7, 9 gives remainder zero.

  • 42

  • 40

  • 36

  • 32

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Question 5

A, B and C can do a piece of work in 10, 12 and 15 days respectively.They all start the work together but A leaves after the 2 days of work and B leaves 3 days before the work is completed.Find the number of days the work completed.

  • 4 days

  • 7 days

  • 6 days

  • 9 days

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Question 6

In a factory same number of women and children are present. Women works for 6 hours in a day and children work 4 hours in a day.In festival season workload increases by 60% and government does not allow children to work more than 6 hours per day.If their efficiency are equal and remain work is done by women then how many extra hours/day increased by women?
  • 2 hours/day
  • 3 hours/day
  • 4 hours/day
  • 5 hours/day
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Question 7

A alone would take 64 hours more to complete a work then A + B work together. B take 4 hours more to complete a work alone than A and B work together.Find in how much time A alone complete the work.

  • 16 hours

  • 80 hours

  • 72 hours

  • 48 hours

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Question 8

A leak can empty a completely filled tank in 10 hours. If a tap is opened in completely filled tank which admits 4 liters of water per minute, then leak takes 15 hours to empty the tank. How many litres of water does the tank hold?

  • 2400 litres

  • 4800 litres

  • 7200 litres

  • 9600 litres

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Question 9

Two pipes A and B independently can fill a tank in 20 hours and 25 hours. Both are opened together for 5 hours after which the second pipe is turned off. What is the time taken by first pipe alone to fill the remaining portion of the tank?

  • 11 hours

  • 13 hours

  • 15 hours

  • 17 hours

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Question 10

If an employee walks at speed of 10 km at 3 km/hr, he will be late by 20 minutes. If he walks at 4 km/hr, how early from the fixed time he will reach ?

  • 18 minutes

  • 24 minutes

  • 30 minutes

  • 36 minutes

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There are 47 questions to complete.

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