Quantitative Aptitude - Arithmetic Ability Questions

In an isosceles triangle ABC, AB = AC, XY || BC. If ∡A = 30, then ∡BXY =

The length of the common chord of two intersecting circles is 12 cm. If the diameters of the circles are 15 cm and 13 cm, then what is the distance (in cm) between their centers?

Find the volume (in cm3) of a cube of side 7.5 cm.

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 : 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?

Deepinder lent Rs 8200 to Jairaj for 16 years and Rs 4900 to Karna for 15 years on simple interest at the same rate of interest and received Rs 19446.5 in all from both of them as interest. The rate of interest per annum is:

A sum of Rs 800 becomes Rs 1000 in 2 years at simple interest. What is the per annum rate of interest (in percent)?

Find the value of 27a3 + 1a3, if 9a2 + 1a2 = 43

The rate of simple interest for which a sum of money becomes 5 times in 8 years is