16) There are two water tanks A and B, A is much smaller
than B. While water fills at the rate of one litre every
hour in A, it gets filled up like 10, 20, 40, 80, 160... in
tank B. (At the end of first hour, B has 10 litres , second
hour it has 20, and so on). If tank B is 1/32 filled after
21 hours, what is the total duration required to fill it
completely?
a) 26 hrs b) 25 hrs c) 5 hrs d) 27 hrs
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Answer Posted / rajesh
shortcut to this kind of somes just find how many 2's r there in the 32 prime factor u will get 5
just add this 5 to the 21hours (21+5=26)
so ans is 26
| Is This Answer Correct ? | 39 Yes | 8 No |
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