Quantitative Aptitude - Arithmetic Ability Questions

If √(1 - cos2A) = x, then the value of x is

If the compound interest for the 3rd and 4th year on a certain principal is Rs 125 and Rs 135 respectively, what is the rate of interest (in %)?

If x = 3+13, then the value of x-12642x-1x-233 is

If the length of the side of an equilateral triangle is 6 cm, what is its area?

The area of a rhombus having one side 10 cm and one diagonal 12 cm is

Find the circumference (in cm) of a circle of radius 10.5 cm

By increasing the price of entry ticket to a fair in the ratio 13:16, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?

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