[" A boat covers "24km" upstream and "36km" downstream in "],[6" hours while it covers "36km" upstream and "24km],[" downstream in "6(1)/(2)" hours.The velocity (in "kmph" ) of the "],[" current is "]

A boat covers 12km upstream and 18km downstream in 3 hours,while it covers 36km upstream and 24km downstream in n6(1)/(2) hours.find the speed of the current.

A boat covers 24 km upstream and 36 km downstream in 6h , while it covers 36 upstream and 24 km downstream in 6 (1 )/(2) . The speed of the current is

A boat covers 48 km upstream and 72 km downstream in 12 hours, while it covers 72 km upstream and 48 km downstream in 13 hours. The speed of stream is :

A boat covers 24 km upstream and 36 km downstream in 6 hours while it covers 36 km upstream and 24 km downstream in 6 1/2 hours. The velocity of the current is 1 k m//h r b. 1. 5 k m//h r c. 2 k m//h r d. 2. k m//h r