Question

a man Travels 40 kilometre partly by train and partly because if he covers 240 km by train and the rest by the bus it takes 6 hours but if we travel 180 km from friend and restore from the bus it takes 15 minutes find the speed of the train that of the car​

Answer 1

Step-by-step explanation:

Let, the speed of train be x & speed of bus be y.

Speed=

Time

Distance

or T=

S

D

4=

x

60

+

y

240

………….(1)

4 hr 10 min=

x

100

+

y

200

………..(2)

(1)×5

20=

x

300

+

y

240×S

(2)×3

62

25×3

=

x

300

+

y

600

20−

2

25

=

y

1200

−

y

600

2

15

=

y

600

y=80 km/ph

4=

x

60

+

80

240

x=60 km/ph.