For the following questions answer them individually
Ritesh sold a pen for Rs. 36 with a profit of 20%. If it were sold for Rs. 33. then what could be the percentage of profit or loss?
The height of a light house is 20 meters above sea level. The angle of depression (from the top of the lighthouse) of a ship in the sea is 30°. What is the distance of the ship from the foot of the light house?
