When A travels at 1.5 times the usual speed, he reaches his office 10 minutes earlier than normal. How many minutes does he take to travel at his usual speed?

15 minutes
20 minutes
25 minutes
30 minutes

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 4 : 30 minutes

Let s be his usual speed.

Let t be his usual time taken.

His new speed now is 1.5s and time taken is (t – 10).

Since the distance travelled is same.

∴ (s)(t) = (1.5s)(t – 10)

∴ t = 30 minutes

4 views Answered 2022-09-04 04:29

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