railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Heights and Distances
When the elevation of the sun changes from 45º to 30º, the shadow of the tower changes by 20 m. Find the height of the tower.
1
10(√3 - 1) m
2
10√3 m
3
10(√3 + 1) m
4
10 m