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Quantitative Aptitude

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A man noted t...

Question

A man noted the distance covered by his car in different time intervals as shown in the table below. Find the average speed of his car.

Distance travelled(km) 5 25 25 50 15

Time taken(h) 1 3 6 3 2

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Solution

Distance travelled(km) 5 25 25 50 15

Time taken(h) 1 3 6 3 2

$G i v e n : T o t a l d i s tan c e = 5 + 25 + 25 + 50 + 15 = 120 k m T o t a l t i m e = 1 + 3 + 6 + 3 + 2 = 15 h A v e r a g e s p e e d = \frac{T o t a l d i s tan c e}{T o t a l t i m e} = \frac{120}{15} = 8 k m / h$

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