Question

A person covers a certain distance at a certain speed. If he increases his speed by 40%, then he takes 15 minutes less to cover the same distance. Find the time taken by him to cover the distance when traveling at his original speed

Q: Answer-A person covers a certain distance at a certain speed. If he increases his speed by 40%, then he tak...

Let the distance, original speed, and original time is taken be D km, S kmph, T hours, respectively. Hence, D S T D S 1.4 T - 14 Thus, we can conclude, S T S 1.4 T - 14 0.4T 0.35 T 0.875hours 52.5 minutes

A 1 hour 05 minutes

B 52.5 minutes

C 1hour 12 minutes

D 1 hour 10 minutes

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A person covers a certain distance at a certain speed. If he increases his speed by 40%, then he takes 15 minutes less to cover the same distance. Find the time taken by him to cover the distance when traveling at his original speed

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