Question

On a river. Q is the mid-point between two points P and R on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours 40 minutes. How long would it take to go from R to P?

विकल्प

• 3 1/3` hours

• 5 hours

• `6 2/3` hours

• `7 1/3` hours

Answer 1

`7 1/3` hours

Explanation:

Hence Total Hour – 3 h 40 m + 3 h 40 m

= 7 h 20 m = `7 1/3` h