Question

Anand leaves his house at 8.30 a.m for his school. The school is 2km away and classes start at 9.00 am. If he walks at a speed of 3km / hour for the first km at what speed should he walks the second km to reach just in time.

Answer 1

Answer:

As Speed = distance/time

1stly when he walks 1km with speed 3km/hr

time = 1/3 hours

so 1/3 * 60= 20 minutes.

so he has 10 minutes left which is 1/6 hours

now he has to cover 1 km in 1/6 hours

so speed = 1/ 1/6 = 6 km/hr

so answer = 6km/hr

Hope this was helpful

Answer 2

Answer:

the answer is 6km/h hope this helps you!