When A travels at a speed of 8 kmph he reaches 4 hours later than usual at his destination spot. And when he travels with a speed of 14 kmph he reaches 2 hours earlier than usual at his destination spot. What is the time taken when he travels at the usual speed?

10 hours
12 hours
15 hours
16 hours

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 1 : 10 hours

Let t be the usual time taken.

At a speed of 8kmph he takes (t + 4)hours

At a speed of 14kmph he takes (t – 2)hours

Distance travelled is same

∴ 8(t + 4) = 14(t – 2)

∴ 8t + 32 = 14t – 28

∴ 6t = 60

∴ t = 10 hours

4 views Answered 2022-09-04 04:29

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