Section-
Section V has 3 questions of 5 marks each. Internal choice is provided in 1
question.
5
At a point on

Section-
Section V has 3 questions of 5 marks each. Internal choice is provided in 1
question.
5
At a point on level ground, the angle of elevation of the top of a vertical tower is
found to be such that its tangent is. On walking 192m towards the tower the
tangent of the new angle of elevation is found to be. Find the height of the tower.
12
3
4
OR
The angle of elevation of a jet plane from a point A on the ground is 60°. After a
fight of 30 seconds, the angle of elevation changed to 30°. If the jet plane is flying at
a constant height of 3600V3 metres, find the speed of the jet plane(in km/hr).
The barrel of a fountain pen, cylindrical in shape, is 7 cm long and 5 mm in
k in the pen is used up on writing 3300 words on an​