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Multiple Choice Questions

Two pipes A and B can alone fill a tank in 20 minutes and 30 minutes respectively But due to a leak ...........

Quantitative Aptitude ( CCS) Pipes&cistern

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Two pipes A and B can alone fill a tank in 20 minutes and 30 minutes respectively. But due to a leak at the bottom of tank, it took 3 more minutes to fill the tank. In how many minutes, the leak can alone empty the full tank?

60

30

48

56

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Explanation:

Answer & Explanation
A) 60
Explanation:
A and B can fill tank in (1/20 + 1/30) = 1/12 so 12 minutes
But it took 3 more minutes, this means the tank got full in 12+3 = 15 minutes
So (1/20 + 1/30 – 1/x) = 1/15
Solve, x = 60

By: Manpreet kaur

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Let's Discuss

Deepank Deo

sorry my bad I read WRONG

Deepank Deo

wrong options it should be considered

Options are not clear

wrong

wrong question

Sharad Sahebrao Gawali

Hours or minutes

Narayan Yadav

3 more minutes by A or B or both...not clear

Vivek Singh

it doesnt specify if both pipes were running or not

SAURAV TANWAR

3 MORE MINUTES COMBINED OR SEPERATELY THIS IS AMBIGIOUS

Deepank Deo

OPTIONS ARE IN MINUTES NOT HOUR

Deepank Deo

IT IS NOT CLEAR THAT BOTH TAPS ARE RUNNING TOGETHER OR NOT

Manbir Singh

Incomplete question

Mohit Bhatt

Data seems insufficient

Sanjay singh

it should be in minutes, as per available options

Munesh Kumari

Question as well as solution is correct

Kanishk Rawat

Insufficient data

Amit

Correct answer is 40 min

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