RRB NTPC CBT I 16 Jan 2021 Shift 1 Paper
© examsiri.com
Question : 58 of 100
Marks:
+1,
-0
An observer 1.5 m tall is standing 28.5 m away at the same level as the foot of a tower. If angle of elevation of the observer watching the top of the tower is 45 degrees then what is the height of the tower?
Go to Question: