engineering recuitment BHEL Engineer Trainee Mock Test 2025 Quantitative Aptitude Trigonometry Heights and Distances
The length of the shadow of a vertical tower on level ground increases by 10 m when the altitude of the sun changes from 45° to 30°. The height of the tower is:
1
10(√3 + 1) m
2
5√3 m
3
5(√3 + 1) m
4
10√3 m