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A walks at a uniform rate of 4 km an hour; and 4 hours after his start, B bicycles after him at the uniform rate of 10 km an hour. How far from the starting point will B catch A? `16. 7\ k m` b. `18. 6\ k m` c. `21. 5\ k m` d. `26. 7\ k m`

A

` 16.7 km `

B

` 18.6 km `

C

` 21.5 km `

D

` 26.7 km `

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S CHAND IIT JEE FOUNDATION-DISTANCE TIME AND SPEED -QUESTION BANK -14(a)
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