The odometer of a vehicle has an initial reading of 22256 km. After the tri

Question

The odometer of a vehicle has an initial reading of

22256 k m

. After the trip, it shows a reading of

22356 k m

. If the time taken for the trip is

5

hours, what is the average speed of the vehicle?

Options:

A . 20 km h−1

B . 30 km h−1

C . 40 km h−1

D . 50 km h−1

Answer: Option A
:
A
Given:
Odometer reading, before the trip

= 22256 k m

.
Odometer reading, after the trip

= 22356 k m

.
So the distance travelled in the trip

= 22356 - 22256 = 100 k m

.
Time taken for the trip

= 5 h

.
Average speed =

\frac{Total distance travelled}{Total time taken}

∴

Average speed

= \frac{100}{5} = 20 k m h^{- 1}

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