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(#M40164721) OTHERS QUESTION pipes and cisterns Keep an EYE

A water tank has M inlet pipes and N outlet pipes. An inlet pipe can fill the tank in 8 hours while an outlet pipe can empty the full tank in 12 hours. If all pipes are left open simultaneously, it takes 6 hours to fill the empty tank. What is the relationship between Mand N?

a. M:1=1:1
b. M:N=2:1
c. M:N=3:2
d. None of the above

Asked In Others Shatakshi (6 years ago)

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(#M40038327) OTHERS QUESTION sum of digits Keep an EYE

how can we find out sum of digits like 6^2015 or like 7^1686 and in the same way any general solution for these type of questions

Asked In Others soumith (9 years ago)

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(#M40031146) OTHERS QUESTION Keep an EYE

Q. How many minutes a watch lose for a day, if its two hands coincide for every 64 minutes?

Asked In Others VARSHAKRISHNAN (9 years ago)

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