Quantitative Aptitude - Arithmetic Ability Questions

Simplify 11.9983 = ?

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

If cos(A-B) - cos(A+B) = x, then the value of x is

Two fractions are such that their product is ­9/10 and sum is ­13/40. What are the two fractions.

The ratio of two numbers is 5 : 9 and their difference is 44. What will be the smaller number among both the numbers?

If the side AB of an equilateral triangle ABC is equal to 12 cm. Calculate the length( in cm) of the AO, if O is the centroid of the triangle.

The slope of the line passing through the points (2,-1) and (x,5) is -1. Find x?

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?