The angle of elevation of the top point P of a vertical tower PQ of height 'h' from a point 'A' is `30^(@) " and from a B is " 45^(@)`, where B is the point at a distance 40 metersfrom the point 'A' measured along the line AB which makes an angle `15^(@)` with AQ. Height of the tower is

Options

A. `10(sqrt(6)-sqrt(2))mts`
B. `10(sqrt(6)+sqrt(2))mts`
C. `10sqrt(6)mts`
D. `20(sqrt(6)+sqrt(2))mts`

Answer

B