Quantitative Aptitude - Arithmetic Ability Questions

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

Find length of the arc whose central angle is 45° and radius of the circle is 28 cm?

Given a -­ b = 2, a3 - b3=26 then (a + b)2 is

The two equations are 4x + 4ky-6=0 and x+6y-12=0. Find the value of k for the pair of two linear equations represents the parallel lines.

In an army selection process, the ratio of selected to unselected was 3:1. If 60 less had applied and 30 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

What number should be added to each of 4, 16, 18 and 58 so that the resulting numbers will be in proportion in the given order?

Find the odd word/letters/number from the given alternatives.

Expand and simplify (3x + 2)2*(4x -­ 3) -­ (2x3 - 9x2 + 12x -­ 24)