Latest CAT Aptitude Question SOLUTION: A ship 156 km away from the shore springs a leak which admits 7/3 tons of water in 6.5 min. A pump throws out water at the rate of 15 tons in 1 hour. If 68 tons of water can sink t

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(#M40021011) CAT question Keep an EYE

A ship 156 km away from the shore springs a leak which admits 7/3 tons of water in 6.5 min. A pump throws out water at the rate of 15 tons in 1 hour. If 68 tons of water can sink the ship, find the lowest average speed just enough to reach the shore.

(a) 20 kmph
(b) 15 kmph
(c) 10 kmph
(d) 25 kmph

Asked In CAT deepak (11 years ago)

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Devendra Marghade  (11 years ago)

b) 15 kmph
Water filling per hour=(7/3)*60/6.5=280/13 Tons
water thrown @ 15 tons in 1 hour,
Actual water storing/hr=280/13 -15=85/13 Tons
To store maximum 68 tons of water time required=68*13/85=884/85=10.4 Hr.
So Speed required to cover distance of 156 km= 156/10.4= 15 km/hr

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