On a river , Q is the mid - point between two points P and R on the s…

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…

Accepted Answer

Option D. 71/3 hr. Answer & Solution Answer: Option D Solution: & P - - - - - - - - - - - _ Q - - - - - - - - - - R & & Time required travelling from P to R & = 16H 40M & PQ = QR ( Q is mid point ) & Required time to travel PQ & = 1/2 ( 16H 40M ) = \,\, 8H 20M & total required time from & P to Q +…

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?

Solution