Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd letter/letters 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.

What is the value of Cot 60°- Cos 45°?

Coefficient of x in (x + 11)(3 -­ 5x) is _____.

What is the equation of the line if its slope is 1/4 and y-­intercept is ­-3?

What is the value of (tan60 - 1/3) ?

If 1 = 2, 3 = 6, 4 = 8, and + = -, what would be the value of 41 + 34 + 13 = ?