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(#M40166397) CAT QUESTION Percentage Keep an EYE

Krishna Iyer, a motorist uses 24% of his fuel in covering the first 20% of his total journey (in city driving conditions). If he knows that he has to cover another 25% of his total journey in city driving conditions, what should be the minimum percentage increase in the fuel efficiency for non-city driving over the city driving fuel efficiency, so that he is just able to cover his entire journey without having to refuel? (Approximately)

Asked In CAT Sayanora (5 years ago)

Solved Devendra Marghade Read Solution (1)

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(#M40156437) CAT QUESTION Pipes and Cisterns Keep an EYE

A fills spirit tanker in 8 hours and B fills in 12 hours. They are opened alternately for one hour each, starting with A at 10. When will the tank be filled?

(a) 5.30PM
(b) 6.00PM
(c) 7.30PM
(d) 10.00PM

Asked In CAT Sheetal Paul (9 years ago)

Solved Devendra Marghade Read Solution (1)

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(#M40034680) CAT QUESTION pipes and cisterns Keep an EYE

Three pipes a b and c can fill a tank in 6hrs. after working at it together for 2 hrs c is closed and a and b can fill the remaining part in 7hrs. The number of hours taken by c alone to fill the tank is

Asked In CAT ramakrishna (11 years ago)

Solved Ann Theressa Read Solution (7)

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(#M40034679) CAT QUESTION pipes and cisterns Keep an EYE

Three taps a b and c can fill a tank in 12 15 and 20 hrs respectivly if a is open all the time and b and c are open for one hour each alternately the tank will be full in

Asked In CAT ramakrishna (11 years ago)

Solved Saraswathy Read Solution (2)

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(#M40034678) CAT QUESTION pipes and cisterns Keep an EYE

Two pipes a and b can fill a tank in 6hrs and 4 hrs respectively. if they are opened on alternate hour and if pipe a is opened first in how many hours, the tank shall be full?

Asked In CAT ramakrishna (11 years ago)

Solved Saraswathy Read Solution (4)

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(#M40034677) CAT QUESTION pipes and cisterns Keep an EYE

Two pipes a and b can fill a tank in 15min and 20 min respectively. both the pipes are opended together but after 4 min.pipe a is turned off. what is the total time required to fill the tank

Asked In CAT ramakrishna (11 years ago)

Solved Saraswathy Read Solution (3)

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(#M40034675) CAT QUESTION pipes and cisterns Keep an EYE

Two pipes a and b can separetly fill a cistern in 60min and 75min respectively. there is a third pipe in the bottom of the cistern to empty it. if all the three pipes are simultaneously opened, then the cistern is full in 50min. in how much time the third pipe alone can empty the cistern?

Asked In CAT ramakrishna (11 years ago)

Solved Saraswathy Read Solution (4)

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(#M40034674) CAT QUESTION pipes and cisterns Keep an EYE

A tap can fill a tank in 6hrs. after half the tank is filled, three more similar taps are opened. what is the total time taken to fill the tank completely?

Asked In CAT ramakrishna (11 years ago)

Solved virendra dubey Read Solution (1)

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(#M40034673) CAT QUESTION pipes and cisterns Keep an EYE

A pipe can fill a tank in 16hrs.due to a leak in the bottom of the tank it is filled in 24hrs. if the tank is full. how much time will the leak take to empty it?

Asked In CAT ramakrishna (11 years ago)

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(#M40034672) CAT QUESTION pipes and cisterns Keep an EYE

A pipe can fill a cistern in 12 min and another pipe can fill it in 15 min,but a third pipe can empty it in 6 min. the first two pipes are kept open for 5 min in the beginning and then the third pipe is also opened.in what time is the cistern emptied

Asked In CAT ramakrishna (11 years ago)

Solved Ann Theressa Read Solution (6)

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