Quantitative Aptitude - Arithmetic Ability Questions

What is the value of [2 sin (45 + θ) sin (45 – θ)]/cos 2θ?

Find the odd word/letter/number from the given alternatives

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

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

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 a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

In the following question, select the odd word from the given alternatives.

If 4x + 5y = 14 and x - 5y = 16 then the value of x and y are

O is the centre of the circle and ∠AOB = 150°, and the shaded portion is x part of the circular region, then x = ?