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A truckcovers a distance of 640 km in 10...

A truckcovers a distance of 640 km in 10 hr. A car covers the same distance in 8 hr . What is the ratio of the speed of the truck to that of the car ?

A

`3:4`

B

`1:2`

C

`5:6`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
Speed of the truck = `(640)/(10) = 64` km/hr
Speed of the car = `(640)/(8) = 80` km/hr
Ratio = `(64)/(80) = (4)/(5) = 4 : 5`
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