Question

a bus covers distance from Delhi to chandigarh in 5 haurs at a speed of 60 km / hr what should be the speed of bus if the driver wants to cover the distance in 4 haurs​

Answer 1

Answer:

5hours = 60km sp.

4hours = 70 km sp.

In this 5-1hrs =4 hr

60+10 = 70km

Step-by-step explanation:

for eg: 10 people takes to build a wall in 2hrs

if extra 10 people comes total:20people

so there are more people to build wall so the

it takes 1hr to build a wall because the people is ×2