Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A 10 inches long pencil AB with mid point C and small eraser P are placed on the horizontal top of a table such that 
inches and ∠ PCB = tan −1 (2). The acute angle through which the pencil must be rotated about C so that the perpendicular distance between eraser and pencil becomes exactly 1 inch is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
From figure.
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