CSC Company Numerical Ability Boats and Streams

A boat covers a distance of 30 kms in 2 ½ hours running down streams. While returning, it covers the same distance in 3 ¾ hours. What is the speed of the boat in kmph?

a) 12 b)8 c) 14 d) 10

Read Solution (Total 1)

10
b+s=30*2/5
b-s=30*4/15
solving ths we get value of b
12 years agoHelpfull: Yes(0) No(1)

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a) 76 b) 86 c) 90 d) 88 A boat travels 72 km downstream in 8 hours and 84 km upstream in 12 hours. Find the speed of the boat in still water and the speed of the water current.

a) 8 km/hr, 1 km/hr b)5 km/hr, 4 km/hr c) 1 km/hr, 6 km/hr d)2 km/hr, 1 km/hr