1.

A boat has to travel upstream 20 km distance from point X of a river to point Y. The total time taken by boat in travelling from point X to Y and Y to X is 41 min 40 s. What is the speed of the boat?

Answer»

a. 66 km/h
B. 72 km/h
c. 48 km/h
d. Cannot be determined

Answer :D


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