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JEE MAIN 2021
31-08-2021 S1
Question
A vertical pole fixed to the horizontal ground is divided in the ratio 3 : 7 by a mark on it with lower part shorter than the upper part. If the two parts subtend equal angles at a point on the ground 18 m away from the base of the pole, then the height of the pole (in meters) is :
Select the correct option:
A
$12 \sqrt{15}$
B
$12 \sqrt{10}$
C
$8 \sqrt{10}$
D
$6 \sqrt{10}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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Mathematics
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