Question

a train with a uniform speed passes a platform 122m long in 17sec and a bridge 210 m long in 25secons find the speed of the trin

Answer 1

the answer is equal to the total distance travelled by the train ÷ the total time taken
I.E.
(122+210) ÷ (17+25)
I hope that my answer was helpful .

Answer 2

ANSWER 39.6 Km/hr

Explanation:

let x=train length

x+122/17=x+210/25

cross multiplication

17(x+210)=25(x+122)

17x+3570=25x+3050

8x=520

x=65

speed of train =65+122/17=11mt/sec

11×18/5=198/5

39.6km/hr