Time and Distance Practice Test 4 with solutions

Question : 22 of 38

Marks: +1, -0

While walking at

3/5

of his usual speed Kamalkant reaches at his destination late by 30 minutes. His usual time consumed in reaching to his destination is:

Solution:

Suppose usual speed of Kamalkant is v km/hr and his destination is at a distance of x kms; then usual time taken =

x/y

hours.

x/{{3y}/5} - x/y

1/2

⇒

{2x}/{3y}

1/2

∴

x/y

3/4

hour = 45 min.

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