Quantitative Aptitude - Arithmetic Ability Questions

Which of the set of three sides can't form a triangle?

In the given figure, PQR is a right angled triangle at Q. If PQ = 35 cm and QS = 28 cm, then what is the value (in cm) of SR?

The least number that must be substracted from 63520 to make the result a perfect square is

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

If 1/√(1 + cot2A) = x, then value of x is

The point R(a,b) is first reflected in origin to R1 and R1 is reflected in x­axis to (­-4,2). The co-­ordinates of point R are

What is the value of a-b when a2+b2-6a-6b+18 = 0 ?

The average of 8 consecutive integers is 23/2. What is the average of first three integers?