Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Heights and Distances
The shadow of a tower standing on a level plane is 30 m longer when sun’s elevation changes from 60° to 30°. Find the height of the tower.
1
10√3 meter
2
15 meter
3
15√3 meter
4
More than one of the above
5
None of the above