Question

A man travels to his destination in 8 hours at his

ATQ, Let the usual speed be 10x kmh. The reduced speed 910 10x 9x kmh Using the formula Distance Speed Time, Usual speed 10x 50 kmh.

normal speed. If his speed decreases by (1/10) , he travels 40 km less in the same time. Determine his usual speed.

A 20 km/h.

B 36 km/h.

C 50 km/h.

D 22 km/h.

E none of these

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