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
The correct answer is: A
Explanation
Since 36km in 21 minutes1km in \(\frac{21}{36}\)minutes
60km in \(\left(\frac{21}{36}\times 60\right)\)minutes = \(\frac{70}{2}\)min
= 35 mins