5
Q:
A) 25 sec | B) 40 sec |
C) 38 sec | D) 32 sec |
Answer: B) 40 sec
Explanation:
Explanation:
Speed of train relative to jogger = 45 - 9 = 36 km/hr.
= 36 x 5/18 = 10 m/sec.
Distance to be covered = 260 + 140 = 400 m.
Time taken = 400/10 = 40 sec.