Time and Distance Practice Test 2 with solutions

Question : 33 of 40

Marks: +1, -0

A man can reach a certain place in 30 hours. If he reduces his speed by

1/{15}

th, he goes 10 km less in that time. What is his speed?

Solution:

Let his usual speed be x km/hr; then
Reduced speed = x -

x/{15}

{14x}/{15}

km/hr
Now, x × 30 –

{14x}/{15}

× 30 = 10
⇒ 2x = 10
∴ x = 5 km/hr

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