11
Q:
A) 48 sec | B) 36 sec |
C) 18 sec | D) 72 sec |
Answer: B) 36 sec
Explanation:
Explanation:
Speed of the train relative to jogger = (45-9) km/hr = 36 km/hr =(36*5/18) m/sec = 10 m/sec
Distance to be covered =(240 + 120)m = 360 m
Time taken = 360/10 sec = 36 sec