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Two cars A and B are moving with same...

Two cars A and B are moving with same speed of 45km/h along same direction . If a third car C coming from the opposite direction with a speed of 36 km/h meets two cars in an interval of 5 min , the distance of separation of two cars A and B should be (in km)

A

A)6.75

B

B)7.25

C

C)5.55

D

D)8.35

Text Solution

Verified by Experts

The correct Answer is:
A
`v_("rel")=v_("rel")xxt=81xx(5)/(!8)xx(5xx60)`
`=(81xx5xx5xx60)/(18)=6750m=6.75km`
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