Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 26 + 152?

A fraction, when taken away from 1/3 gives 1/12. The fraction is

A circle has points P, Q, R on a circle in such a way that angle PQR is 60 deg and angle QRP is 80 deg. Calculate the angle subtended by an arc QR at the centre.

Find the value of '?, if the mean of the data set 18, 16, 22, 13, ? = 16.

In triangle ABC, ∠ABC = 90°. BP is drawn perpendicular to AC. If ∠BAP = 30°, then what is the value (in degrees) of ∠PBC?

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 120 sq.cm and 8 cm respectively ?

If ABCD is a trapezium, AC and BD are the diagonals intersecting each other at point O. Then AC : BD is

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.