Question

The speed of train Q is (1/7)^th of the speed of train R. If train R covers a distance of 700 m in10 seconds, what is the speed of train Q.
1. 20 m/s
2. 10 m/s
3. 15 m/s
4. 46 m/s

Answer 1

Correct Answer - Option 2 : 10 m/s

Given

Speed of train Q = (1/7) of speed of train R

Distance covered by train R = 700

Formula used

Speed = Distance/Time

Calculation

Speed of train R = 700/10

⇒ 70 m/s

Speed of train Q = 70 × (1/7)

⇒ 10 m/s

∴ Speed of train Q is 10 m/s.