Question

A is twice as fast as b and b is thrice as fast as

c. the journey covered by c in 54 minutes will be covered by b in: (a) 18 minutes (b) 27 minutes (c) 38 minutes (d) 9 minutes (e) 13 minutes

Answer 1

B is thrice as fast as C.

Let speed of C = v

speed of B will be = 3v
__________________

Distance covered by C in 54 mins = 54×v = 54v

time taken by B to cover 54v = 54v ÷ 3v = 18 minutes

Hence, answer is A.