Question

6. A man can row three-quarters of a kilometre against the stream in 45/4 minutes. The
speed (in km/hr) of the man in still water is :

(a) 2
(b) 3
(c) 4
(d) 5
​

Answer 1

Answer:

SolutionSpeed upstream = 3/4 * 2/15 * 60 km/hr = 4 km/hr

Speed downstream = 3/4 * 2/15 * 60 km/hr = 6 km/hr

Therefore

Speed in still water = 1/2 (4+6) km/hr = 5 km/hr

Answer 2

Answer:

d. Will be correct answer