book Maths Puzzle Numerical Ability

A boat has a cruzing speed of 14.1 mph in still water. A boat can cover 86.5 mile traveling with the stream. In the same time it cover 54.5 miles traveling against the stream, in t

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book Other Question
2 consecutive 4 digit number that has a sum of 9137. 2 men are walking at the same velocity but they pass a certain point 30 seconds apart. If their velocity is 2 m/s, how far from each other must they have began?