Question

By walking at 3/4 of his casual speed, a man
reaches his office 20 minutes
His casual din rs​

Answer 1

Step-by-step 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.

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