Quantitative Aptitude - Arithmetic Ability Questions

In a triangle the length of the side opposite the angle which measures 45° is 8 cm, what is the length of the side opposite to the angle which measures 90°?

A right circular conical structure stands on a circular base of 21m diameter and is 14m in height. The total cost of colour washing for its curved surface at Rs. 6 per sq. m. is
(Take Π = 22/7 )

If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?

A man, rowing a boat, covers a distance of 16 km in two hours downstream. He covers half the distance in same amount of time when rowing upstream. Calculate the speed of the stream.

The diagonal of a square is 10 cm. What is the length (in cm) of its side?

A cone of radius 3.5 cm and height 12 cm is completely filled with water. This water is emptied into an empty cylindrical vessel of radius 7 cm. What will be the height of water in this vessel?

In which of the following quadrilaterals opposite angles are supplementary?

If 8 men can do a piece of work in 14 days, then in how much time (in days) will 7 men do the same piece of work?