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Frequently Asked Elitmus Numerical Ability - Pipes and Cistern Sample Question with Solutions

(#M40157126) ELITMUS QUESTION Keep an EYE

A tank of 425 litres capacity has been filled with water through two pipes, the
first pipe having been opened five hours longer than the second. If the first pipe
were open as long as the second, and the second pipe was open as long as the
first pipe was open, then the first pipe would deliver half the amount of water
delivered by the second pipe; if the two pipes were open simultaneously, the
tank would be filled up in 17 hours. How long was the second pipe open?

Asked In Elitmus Sniper (9 years ago)

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(#M40164411) ELITMUS QUESTION Keep an EYE

a man purchased some eggs at 3 for rs 5 and sold them at 5 for rs 12.thus he gained rs 143 in all.the number of eggs he bought is?

Asked In Elitmus Sniper (8 years ago)

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(#M40164643) ELITMUS QUESTION Keep an EYE

A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 litres a minute. When the tank is full, the inlet is opened and due to the leak the tank is empty in 8 hours. The capacity of the tank (in litres) is

Asked In Elitmus Sniper (8 years ago)

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(#M40164644) ELITMUS QUESTION Keep an EYE

A tank is fitted with 2 taps , first tap can completly fill the tank
in 45 minutes and second tank can empty the full tank in 1 hour. If both the taps are opened alternatively for one minute, then in how many hours empty tank will be filled completely ?

Asked In Elitmus Sniper (8 years ago)

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(#M40164645) ELITMUS QUESTION Keep an EYE

A tank has a leak which would empty the completely filled tank in 10 hours. If the tank is full of water and a tap is opened which admits 4 litres of water per minutes in the tank, how many litres does the tank holds?

Asked In Elitmus Sniper (8 years ago)

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(#M40164239) ELITMUS QUESTION Keep an EYE

A cistern is provided with two pipes A and B. A can fill it in 20 minutes and B can empty it in 30 minutes. If A and B be kept open alternately for one minute each, how soon will the cistern be filled?

Asked In Elitmus Sniper (8 years ago)

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(#M40024636) ELITMUS QUESTION Keep an EYE

after 38 liters of petrol were poured into the tank. it was still 5% empty. how much petrol must be poured int the tank in order to fill it?

Asked In Elitmus ajay namdev (12 years ago)

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(#M40157808) ELITMUS QUESTION Keep an EYE

If a cistern has 3 pipes of 1 cm , 4/3 cm and 2 cm thickness ...where the pipe with 2 cm thickness can fill the cistern in 2 hrs and 2 min..then in how much time they can fill the tank?

Asked In Elitmus Sniper (8 years ago)

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(#M40164242) ELITMUS QUESTION Keep an EYE

a swimming pool has 3 drain pipes .the first two pipes a and b operating simultaneously can empty the pool in half the time than c,the 3rd pipe alone takes to empty it.pipe a working alone takes half the time taken by pipe b.together they take 6 hr 40min to empty the pool.time taken by pipe a to empty the pool is how much?

Asked In Elitmus Sniper (8 years ago)

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(#M40164240) ELITMUS QUESTION Keep an EYE

a tank is filled with two taps.the first tap can fill the tank completely in 45min and the second tap can empty the full tank in 1 hr.if both the taps are opened alternately for one min,then in how many hrs the empty tank will be filled completely?

Asked In Elitmus Sniper (8 years ago)

Unsolved Read Solution (3)

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