Ravi started jogging from point X at 12 m/s. 10 seconds

Q: Answer-Ravi started jogging from point X at 12 m/s. 10 seconds later, Sunil began running from the same poi...

ATQ,Distance covered by Ravi in 10 seconds 12 10 120 metres Relative speed between Sunil and Ravi 120 30 4 msSince Sunil caught up, hes faster.So, Sunils speed 12 4 16 ms

later, Sunil began running from the same point in the same direction and managed to catch Ravi in 30 seconds. What was Sunil’s speed?

A 16 m/s Correct Answer Incorrect Answer

B 10 m/s Correct Answer Incorrect Answer

C 11 m/s Correct Answer Incorrect Answer

D 20 m/s Correct Answer Incorrect Answer

E None of these Correct Answer Incorrect Answer

Solution

ATQ,

Distance covered by Ravi in 10 seconds = 12 × 10 = 120 metres
Relative speed between Sunil and Ravi = 120 ÷ 30 = 4 m/s

Since Sunil caught up, he’s faster.

So, Sunil’s speed = 12 + 4 = 16 m/s

Practice Next