CMAT 2013 Solved Question Paper

Question : 5 of 100

Marks: +1, -0

A car crosses a man walking at 6 km/h. The man can see the things up to 450 m only in one direction due to fog. He sees the car which was going in the same direction for 4.5 min. What is the speed of the car?

9 km/h
12 km/h
12.5 km/h
15 km/h

Validate

Solution:

(b) Time =

{\Total \distance}/{\Relative \speed}

45/60 = {450\/1000}/x

⇒ x = 6 km/h
∴ Relative speed = Speed of car - Speed of man
⇒ 6 = x - 6
∴ x = 12 km/h

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