A man of height 1.8 metre is moving away from a lamp post at the rate – McqOptions

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1.	A man of height 1.8 metre is moving away from a lamp post at the rate of 1.2 \[m/\sec .\] If the height of the lamp post be 4.5 metre, then the rate at which the shadow of the man is lengthening is [MP PET 1989]
A.	\[0.4\,\,m/\sec \]
B.	\[0.8\,\,m/\sec \]
C.	\[1.2\,\,m/\sec \]
D.	None of these
Answer» C. \[1.2\,\,m/\sec \]

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