John walks 250 meters towards north and takes a right turn and walks 200 meters and again takes a right turn and walks for a half a kilometer. What is the total distance he covered?

0.9 km

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0.85 km

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0.95 km

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0.88 km

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Solution

The correct option is C 0.95 km
John walks 250 meters north, takes a right and walks 200 meters and again takes a right and walks for half a kilometer.
Note that 1 km = 1000 m. Thus, half a kilometre is 500 metres.
So, the total distance covered by him = 250 + 200 + 500 = 950 meters.
$∵ 1000 m = 1 k m ∴ 950 m = 950 \times \frac{1}{1000} k m = 0.95 k m$

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