Quantitative Aptitude - Arithmetic Ability Questions

Two pipes A and B can fill an empty cistern in 18 and 27 hours, respectively. Pipe C can drain the entire cistern in 45 hours when no other pipe is in operation. Initially, when the cistern was empty Pipe A and Pipe C were turned on. After a few Pipe A was turned off and Pipe B was turned on instantly. In all, it took 55 hours to fill the cistern. For how many hours was Pipe B turned on?

In a triangle, the length of the side opposite the angle which measures 45° is 16 cm, what is the length of the side opposite to the angle which measures 90°? 

After buying a toy for Rs.45, Raghu managed to sell it at a profit of 15%. The selling price of the toy was

P + Q = 2(P-Q). If Q = 10, what is the value of P?

A cylindrical vessel of height 7 cm and radius 5 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 8 cm what will be the height of this cone?

ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?

In the following question, select the odd word from the given alternatives.

In the following question, select the odd word from the given alternatives.