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A marathon route starts and goes 21 km North, then there is a turn towards West where the route goes on for 7 km, then there is a turn towards North where the route goes on for 10 km, then there is a right turn from where the route goes on 7 km to reach the end. Where is ending point with reference to the starting point?

A marathon route starts and goes 21 km North, then there is a turn towards West where the route goes on for 7 km, then there is a turn towards North where the route goes on for 10 km, then there is a right turn from where the route goes on 7 km to reach the end. Where is ending point with reference to the starting point? Correct Answer <p>31 km North</p>

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Clearly, the arrangement according to the given directions is as shown. Thus the total shortest distance from the starting point till ending point is (21km + 10km) = 31 km to North.

Hence, the answer is (3).

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