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The downstream speed of a boat is 15 kmph. and the speed of the stream is 2 kmph.Then the upstream speed of the boat is ...
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UPSC Other Question
Which is the number that comes next in the following series.
4, 6, 12, 14, 28, 30, ........
When a number x is divided by 4 we get the cube of another number y.Find x if y3