RRB JE 2nd June 2019 Shift-3
Instructions
For the following questions answer them individually
Question 1
If the midvalue of a class is 20 and the width of the class is 5, find the lower and upper limits of the class.
Question 8
The angle of elevation of the top of a chimney from the top of a tower is $$60^\circ$$ and the angle of depression of foot of the chimney from the top of the tower is $$30^\circ$$ . If the height of the tower is 40 m, then find the height of the chimney.
