Question

A train is covering 7km of distance in 3hour. what is its speed? ​

Answer 1

Answer:

distance=33 km

time=1 hr12min=1+

60

1×12

=1.2 hrs

Now, the first 15 km is covered at the speed of 25 km/hr

Therefore,

distance=15 km

speed=25 km/hr

⇒25=

time

15

⇒time=

25

15

=0.6 hr

Now, the time left is (1.2−0.6=0.6 hr) and the distance left is (33−15=18 km)

Therefore,

⇒speed=

0.6

18

km/hr

⇒speed=30 km/hr

Answer 2

Answer:

this is your answer.hope it is correct.