CBSE Class 8 Answered
A car with speed 60 km/he takes 8 hrs to travel some distance. Why should be the increase in the speed of the same distance is to be covered in 7 1/2 hours?
Asked by msthakare25 | 24 Sep, 2018, 08:40: PM
Expert Answer
A car with speed 60 km/he takes 8 hrs to travel some distance. Why should be the increase in the speed of the same distance is to be covered in 7 1/2 hours?
Distance = Speed × Time = 60 × 8 = 480 km
Now, Time is 7 1/2 hours = 7.5 hours
To find: Speed = ?
Speed = Distance ÷ Time = 480 ÷ 7.5 = 64km/hr
Answered by Yasmeen Khan | 25 Sep, 2018, 06:00: PM
