Question

d) 110110
6) (56, 40)
(0) (400, 500)
(a) (40, 50)
25. The ratio between the speeds of two trains is 7:8. If the second train run
trains is 7: 8. If the second train runs 400 kms. in 5
hours, the speed of the first train is
(d) none of these
(a) 10 Km/hr
(b) 50 Km/hr (c) 70 Km/hr​

Answer 1

Answer:

C

Step-by-step explanation:

Ratios =7:8

speed of first train=7 x

speed of second train =8 Speed of train two=400 kms in 5 hours

Speed of train that travel in hour =400/5

=80km/h

8x=80

x=10

Speed of first train in one hour =(7) (10)

=70km/h