To cover a certain distance with a speed of 60 km/hr, a bike takes 15 hours. If it covers the same distance in 12 hours, what will be its speed?
A65 km/h
B70 km/h
C75 km/h
D80 km/h
Answer:
C. 75 km/h
Read Explanation:
If it's speed is 60 kmph
Then the total distance covered will be =60×15=900km
Now the speed needed to travel the same distance in 12 hours will be
Distance/time=900 /12=75kmph