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Question

A car travelling at a uniform speed can cover 36 km in 2 hours, how many kilometers can it cover in 30 minutes?

A
4.5 km

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B
9 km
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C
18 km
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D
24 km
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Solution

The correct option is B 9 km

It is given that Distance (d1) = 36 km, time require (t1) = 2 h,To find: If time taken (t2) = 0.5 h, Distance(d2) = ?We know that speed in both the cases are same, therefore, Speed = d1t1= d2t2Therefore, 362= d20.5Therefore, d2 = 0.5 ×362 = 9 km

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