Latest KVPY Aptitude Question SOLUTION: Three taps A, B, C fill up a tank independently in 10 hr, 20 hr, 30 hr, respectively. Initially the tank is empty and exactly one pair of taps is open during each hour and every pa

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(#M40027114) KVPY question Mental Ability Keep an EYE

Three taps A, B, C fill up a tank independently in 10 hr, 20 hr, 30 hr, respectively. Initially the tank is empty and exactly one pair of taps is open during each hour and every pair of taps is open at least for one hour. What is the minimum number of hours required to fill the tank?
option
(A) 8
(B) 9
(C) 10
(D) 11

Asked In KVPY MAN (10 years ago)

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