Quantitative Aptitude - Arithmetic Ability Questions

At least one pair of opposite angles is congruent in a _____.

Three consecutive natural numbers are such that the square of the greatest is greater than the product of the other two by 19. The smallest of these numbers is

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

If x + 1x = -2, then the value of x631 + 1x632?

What is the simplified value of (sec4 A – tan2 A) – (tan4 A + sec2 A)?

What is the value of Cot 45° + Cosec 60°?

If 5x + 4(1 -­ x) > 3x - ­4 > 5x/3 -­ x/3; then x can take which of the following values?

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