With a uniform speed a car covers a distance in 8 hours Had the speed been increased by 4 km hr the ...........

Quant (SSC) Time & distance

With a uniform speed, a car covers a distance in 8 hours. Had the speed been increased by 4 km/hr, the same distance could have been covered in 7 hours and 30 minutes. What is the distance covered?

420 km

480 km

520 km

640 km

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Explanation:

Let the distance be x km.
Then, x / 15/2 - x/8 = 4
⇒ 16x - 15x /120 = 4
⇒ x = 480 km

By: Amit Kumar

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With a uniform speed a car covers a distance in 8 hours Had the speed been increased by 4 km hr the ...........

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