MCQ - TNPSC JTO

A tower is 100 m high. From a point on the ground, the angle of elevation is 60°. Find the distance from the point to the tower. 

A man is 1.8 m tall. He observes the top of a building at 30° angle of elevation. His distance from the building is 20 m. Height of the building is: 

A tower and its shadow form a right-angled triangle. If the shadow is 5 m long and the angle of elevation is 45°, the height of the tower is: 

 The top of a chimney is observed from 30 m away at an angle of 45°. Height of the chimney is:

 A flagpole is 12 m high and casts a shadow 12 m long. The sun’s elevation angle is:

The angle of depression from a point 20 m above the ground to the base of a pole is 30°. Distance between point and pole base is: 

A ramp rises 4 m over a horizontal distance of 16 m. Its angle with the ground is: 

A wire supports a pole of height 20 m, making angle 60° with ground. Length of wire is: 

 A road is inclined at 10° with the horizontal. Vertical height gained over 200 m distance is: 

 A workshop roof is inclined at 45°. If horizontal length is 6 m, the vertical height is:

Which of the following is a true identity? 

A man observes a drone flying overhead at 60° elevation. If the drone is 100 m above ground, how far is the man from its vertical projection?

Which of the following expressions is equivalent to x² − y²? 

What is (a + b)² − (a − b)²?

 If log(ab) = log(a) + log(b), this is called:

Which is true for indices?