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GRE Numerical Ability - Pipes and Cistern Sample Question with Solutions

(#M40166021) GRE QUESTION Keep an EYE

A hose starts filling an empty tank at 6 am and can fill it completely by 10 am. But due to leakage at the bottom of the tank, 1/3 rd of the tank would still remain empty by 10 am. Now if leakage is stopped at that time, at what time will the tank be filled by this hose ? (A) 11.30 am (B) 11.20 am (C) 11.40 am (D) 11.50 am

Asked In GRE Devendra Marghade (4 years ago)

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(#M40165812) GRE QUESTION Keep an EYE

A draining pipe can empty a pool in 4 hours. On a rainy day, when the pool is full, the draining pipe is opened and the pool is emptied in 6 hours. If rain inflow into the pool is 3 liters per hour, what is the capacity of the pool?

Asked In GRE Devendra Marghade (4 years ago)

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(#M40105916) GRE QUESTION Keep an EYE

14. A 1,500-gallon tank contains 200 gallons of water. Water begins to run into the tank at the rate of 75 gallons per hour. When will the tank be full but not overflowing?
a. 7 hours, 8 minutes
b. 17 hours, 20 minutes
c. 20 hours
d. 22 hours, 40 minutes

Asked In GRE Jaspalsingh Parmar (8 years ago)

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(#M40012848) GRE QUESTION Keep an EYE

a trader buy goods at 19% discount on the label price if he wants to make a profit of 20% after allowing a discount of 10% by what % should his marked price be greater than the original label price?

Asked In GRE ratna (10 years ago)

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