A train moving at a uniform speed covers 36km in 21 minut...
A train moving at a uniform speed covers 36km in 21 minutes. How long does it take to cover 60km?
35 mins
40 mins
45 mins
90 mins
Correct answer is A
Since 36km in 21 minutes
1km in 2136minutes
60km in (2136×60)minutes = 702min
= 35 mins