question_answer

A school provides milk to the students daily in a cylindrical glasses of diameter 7 cm. If the glass is filled with milk upto an height of 12 cm, then how many litres of milk is needed to serve 1600 students?

A)  739.2 litres                   

B)  538 litres          

C)         740 litres          

D)         400 litres

Correct Answer: A

Solution :

Demeter of a glass = 7 cm Radius of the glass Height of a glass filled with milk (h) = 12 cm Milk contained in the cylindrical glass Now, quantity of milk required for 1600 students litres lires