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A pilgrim travelled a distance of 50 km in 7.5 hours. He travelled partly on foot at 4 km/hr and partly on a bullock cart at 12 km/hr. The distance tr
Question

A pilgrim travelled a distance of 50 km in 7.5 hours. He travelled partly on foot at 4 km/hr and partly on a bullock cart at 12 km/hr. The distance travelled on foot is ________ km.

A.

20

B.

30

C.

24

D.

26

Correct option is A


Let time taken to cover distance on foot be t hrs then
⇒ Time taken to cover distance by bullock cart = (7.5 - t)

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