Quantitative Aptitude - Arithmetic Ability Questions

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

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

What is the value of 2 - 2z + z22 + 2z - z2, when z+2z = 2 ?

The reciprocals of the squares of the numbers 11⁄2 and 11⁄3 are in the ratio

A car covers the first 30 km at a speed of 60 kmph and the next 20 km at 80 kmph. Find the average speed.

Six years ago, the ratio of the two persons P and Q was 3 : 2. Four years hence the ratio of their ages will be 8 : 7. What is P's age?

In ∆ABC, ∡A + ∡B = 75 and ∡B + ∡C = 140, then ∡B =

Two chords AB and PQ of a circle intersect at D inside a circle. If AD = 4 cm, DB = 6 cm, QD = 3 cm, the length of PQ is equal to