Accenture Company Numerical Ability Boats and Streams

A Boat takes 2½ hours less to travel 60 Km downstream than to travel the same distance upstream. If the speed of the stream is 4 Km/hr. Then Speed of Boat in still water is?
A)12 Km/hr B)15 Km/hr C)8 Km/hr D)10 Km/hr

Read Solution (Total 1)

(60/u-4) - (60/u+4) = 5/2
u^2 = 208
u = 14.42
u ~ 15 km/h
4 years agoHelpfull: Yes(0) No(2)

Accenture Other Question

While calculating the weight of a group of men, the weight of 58 kg of one of the ember was mistakenly written as 38 kg. Due to this the average of the weights decreased by half kg. What is the number of men in the group?
A)80 B)10 C)40 D)20 How many Integers are there in between 200 and 400 that are divisible by 7?
A)31 B)33 C)29 D)27