A car travels a certain distance at a speed of 120km/hr in 4 hours. What should be the speed of the car if the car covers the same distance in 3 hours 20 minutes.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 144 km/hr
Distance = Speed × Time
Distance travelled by car in 4 hrs = 120 × 4 = 480km.
If the same distance has to cover in 3 hr 20 mins i.e 3 (1/3) hrs speed should be
⇒ 480 × 3/10 , (3 (1/3) = 10/3)
⇒144km/hr.