The time taken by R to cover 45 km is 1.2 hours. In how many seconds will he cover 400 metres?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 38.4.
Speed of R = = 37.5 km/hr
⇒ 37.5 × = 10.42 m/sec
Time taken to cover 400 m = = 38.4 seconds