Question

Aryan cycles to his home at an average speed of 12 kilometre per hour and reach the school in 20 minutes if he wants reach his school in 15 minutes how much should he increase the average speed​

Answer 1

Step-by-step explanation:

Distance = 12*20 = 240m

So, speed needed to cover 240m in 15 min,

Speed= 240/15 = 16m/s

So, he should increase 4 m/s in his speed