Question
A man can row at 5 kmph in still water. If the velocity
of current is 1 kmph and it takes him 5 hour to row to a place and come back, how far is the place?Solution
Let the distance be x km. Speed upstream = 5 – 1 = 4 kmph Speed downstream = 5 + 1 = 6 kmph => (x/6) + (x/4) = 5 => (2x + 3x)/12 = 5 => 5x = 60 => x = 12 km
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Select the option that represents the correct order of the given words as they would appear in an English dictionary.
1. Adequate
2. ...
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What is the code for ‘M’ in the given co...
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40 – 20 + 6 × 2 ÷ 5 = ?
Select the mirror image of the figure, when the mirror is placed on the right side of the figure.
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