other govt exam NBE Junior Assistant 2024 Mock Tests Series Quantitative Aptitude Trigonometry Heights and Distances
The shadow of a tower standing on a level plane is found to be 40 m longer when the sun’s altitude is 45°, than when it is 60°. The height of the tower is
1
30√3(3 + √3) m
2
40√3(3 + √3) m
3
10√3(3 + √3) m
4
20√3(√3 + 1) m