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Amar uses a Maruti Van and Anthony a Rac...

Amar uses a Maruti Van and Anthony a Racing Car from Mumbai to Pune. Maruti Van has a speed of 120 km per hour and the Racing Car of 210 km per hour. After driving for 12 minutes, what will be the difference of distance between the two?

A

20 km

B

18 km

C

15 km

D

16 km

Text Solution

Verified by Experts

The correct Answer is:
A
Amar travelled `=(120)/(60)xx12`
=24 km in 12 minutes
Anthony travelled
`=(210)/(60)xx12=42` km in 12 minutes
`:.` Difference of distance `=42-24=18` km
Trick :
Required difference of distance =difference in speeds x time
`=90xx(12)/(60)=18` km
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