Question

two buses do journey between two cities 200 kilometre apart. one bus A movies at 50 kph one-way and 40 kph on the return. the other bus B does 45 kph on both journey
SO FIND (i) which bus takes less time to cover the to and fro distance (ii) do they take equal time​

Answer 1

Answer:

Let the length of the journey be x km. Then,

45

x

−

60

x

=

2

11

⇒

180

4x−3x

=

2

11

⇒

180

x

=

2

11

⇒x=

2

11×180

=990km

Answer 2

Step-by-step explanation:

Let the length of the journey be x km. Then,

45

×

-60

×

=

2

11

=

180

4×-3×

=

2

11

=

180

×

=

2

11

=×=

2

11×180

990 km