Question

A man rows upstream 36 km and downstream 48 km taking 6 hours each time. The speed of the current is

विकल्प

• 0.5 kmph

• 2 kmph

• 1 kmph

• 1.5 kmph

Answer 1

1 kmph

Explanation:

`45 + y = 80/4 xx 3` = 60

`y = 15 kmph

Now, t = `80/30` = 2 h 40 m