Ram and Shyam are travelling from point A to B, which are 60km apart. Travelling at a certain speed Ram takes one hour more than Shyam to r… — Answer & Discussion

Ram and Shyam are travelling from point A to B, which are 60km apart. Travelling at a certain speed Ram takes one hour more than Shyam to reach point B. If Ram doubles his speed he will take 30 minutes less than Shyam to reach point B. At what speed was Ram driving from point A to B?

A15 kmph
B35 kmph
C30 kmph
D25 kmph

Answer not set

Join the discussion Report an error

Discussion 2

Top voted Oldest Newest

CCommunity10 Apr 2019

Solution
Let the speed of Ram be 'v' kmph
Time taken by Shyam be 't' hrs
Distance = Speed $\times$ Time
60 = v (t + 1)
After doubling the speed,
60 = 2v(t - 0.5)
Simplifying them, we get
v (t + 1) = 2v (t - 0.5)
t = 2
v = 60/3 = 20 kmph

CCommunity11 May 2019