Curioustab Logo Curioustab
Home » Aptitude » Time and Distance

By walking at 3/4 of his usual speed , a man reaches his office 20 minutes later than usual . this usual time is?

Correct Answer: 60 minutes

Explanation:

At 3/4 of the usual speed, the time taken is 4/3 of the usual time ∴ 4/3 of usual time - usual time = 20 min ⇒ 4x/3 - x = 20 ⇒ x/3 = 20 ∴ x = 60 min.

← Previous Question Next Question→

More Questions from Time and Distance

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion