A train moving at a uniform speed covers 36km in 21 minutes. How long does it take to cover 60km?
-
A.
35 mins -
B.
40 mins -
C.
45 mins -
D.
90 mins
Correct Answer: Option A
Explanation
Since 36km in 21 minutes
1km in (frac{21}{36})minutes
60km in (left(frac{21}{36}times 60right))minutes = (frac{70}{2})min
= 35 mins