Quantitative Aptitude - Arithmetic Ability Questions

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.

If a3 + a - 1 = 0 then find the value of a6 + a4 + a - 2

If 1/(1 + cosA) + 1/(1 ­- cosA) = x , then value of x is

If a cone of radius 10.5 cm and height 12 cm is melted and constructed into a cylinder of the same radius, what will be the height of this cylinder?

Find the mean and mode of the numbers 1, 9, 5, 4, 2, 1, 9, 9, 2, 1, 9, 1, 2, 1?

What is the slope of the line perpendicular to the line passing through the points (-2, 3) and (2, 0)?

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