Question

6. The speeds of four metro trains are 1:2:3 : 4. The ratio of the times taken by them to
cover a distance of 100 kms will be​

Answer 1

Answer:

let the ratio be 1x,2x,3x,4x=100

1x+2x+3x+4x=100

10x=10

$x = 100 \div 10 = 10$

1x=10

2x=20

3x=30

4x=40