Question

raju cycles to his school at the speed of 12 km/hr it takes 20 mins to reach the school if he wants to reach his school in 15 mins what should be his average speed? ​

Answer 1

Answer:

Step-by-step explanation:

case1:

speed = 12kmph.

time = 20 mins = 1/3 hours.

distance = speed × time = 12 × 1/3 = 4km.

case2:

distance = 4km.

time = 15 mins = 1/4 hours.

speed = distance ÷ time = 4 × 4 = 16 kmph.