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ATQ, Let the number of cookies received by Q and S are 4p and 7p respectively. So the number of cookies received by R = 4p × 1.50 = 6p Number of cookies received by T = 6p × 3/2 = 9p According to question: 9p – 7p = 18 2p = 18 p = 9 So the value of ‘a’ = 9 × (4 + 7 + 6 + 9) = 9 × 26 = 234
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Speed of a boat in still water is 10 kmph and speed of stream is 6 kmph. A man rows to a place at a distance of 32 km and come back to starting point. T...
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A boat travels from point 'T' to point 'S' downstream and returns upstream in a total of 32 hours. The speed of the boat in upstream is three times the ...
If a man rows at the rate of 25 kmph in still water and his rate against the current is 5.5 kmph, then the manrsquo;s rate along the current is...
