Quantitative Aptitude - Arithmetic Ability Questions

AB is the diameter of a circle with center O and P be a point on its circumference. If ∡POA = 120°, then the value of ∡PBO is

If the angle of elevation of the sun decreases from 45° to 30°, then the length of the shadow of a pillar increases by 60m. The height of the pillar is

If cosx.cosy + sinx.siny = -1 then cosx + cosy is

What is the fourth proportional to 6, 24 and 83?

If 1/6 of x - 7/2 of 3/7 equals - 7/4, then the value of x is

The measure of the four successive angles of a quadrilateral are in the ratio 7 : 11 : 7 : 11. The quadrilateral is a ______.

If two successive discounts of 50% and 10% are offered, then what is the net discount (in %)?

ABCD is a cyclic quadrilateral ∠DBA=50° and ∠ADE=33°, then the measurement of ∠BCD is