The velocity of a motor boat with respect to still water is 7ms^(-1) and velocity of water in a river is 3ms^(-1) . When the boat starts moving upstream a floatwas dropped from it . The boat travels 4.2 km and returns and reaches the float. The time taken by the goat to cath the float is

The velocity of a motor boat with respect to still water is 7ms^(-1) a

1.	The velocity of a motor boat with respect to still water is 7ms^(-1) and velocity of water in a river is 3ms^(-1) . When the boat starts moving upstream a floatwas dropped from it . The boat travels 4.2 km and returns and reaches the float. The time taken by the goat to cath the float is
Answer» 25 min 30 min 35 min 40 min Answer :C