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The odometer of a bus reads 6700 klm whe...

The odometer of a bus reads 6700 klm when it starts from the station at 9.m. and when it comes back to the sation at 10 p.m. the odometer reading is found to be 6960 km, then the average speed of the bus in the would journey is _____` km h^(-1)`

A

10

B

20

C

30

D

40

Text Solution

Verified by Experts

The correct Answer is:
B
Average speed = `("total distance")/("total time") `
`= (6960 - 6700)/13 = 20 km h^(-1)`
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