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A man of height 1.5 meters walks toward ...

A man of height 1.5 meters walks toward a lamp post of height 4.5 meters, at the rate of (3/4) meter/sec. Find the rate at which the tip of the shadow is moving.

A

(3/8) m/sec

B

(5/4) m/sec

C

(9/8) m/sec

D

(1/8) m/sec.

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