Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Trigonometry Heights and Distances
When the angle of elevation of the sun increases from 30° to 60°, the shadow of a post is diminished by 5 metres. Then the height of the post is
1
\(\frac{{5\sqrt 3 }}{2}m\)
2
\(\frac{{2\sqrt 3 }}{5}m\)
3
\(\frac{2}{{5\sqrt 3 }}m\)
4
\(\frac{4}{{5\sqrt 3 }}m\)