Question 68
A train 180 m long moving at the speed of 20 m/sec passes across a boy who is moving at a speed of 10 m/sec in the direction of the train. The time (in s) taken by the train to overtake the boy is:
Solution
A train 180 m long moving at the speed of 20 m/sec passes across a boy who is moving at a speed of 10 m/sec in the direction of the train.
Time taken by the train to overtake the boy = $$\frac{length\ of\ train}{relative\ speed}$$
= $$\frac{180}{20-10}$$
= $$\frac{180}{10}$$
= 18 seconds
Get AI Help?
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
