Quantitative Aptitude - Arithmetic Ability Questions

The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

An inverted conical shaped vessel is filled with water to its brim. The height of the vessel is 8 cm and radius of the open end is 5 cm . When a few solid spherical metallic balls each of radius 1⁄2 cm are dropped in the vessel , 25% water is overflowed. The number of balls is:

Two circles touch each other internally. The radius of the smaller circle is 6 cm and the distance between the centre of two circles is 3 cm. The radius of the larger circle is

Δ PQR is right angled at Q. If m∠R = 60°, what is the length of PR (in cm), if RQ = 4√3 cm?

The total surface area of a hemisphere is 41.58 sq cm, find its radius.

In an isosceles trapezium _____.

If the zeroes of the polynomial x2 - ax + b are 3 and 4, then 'a' and 'b' are respectively equal to

Select the odd word/letters/number/number pair from the given alternatives.