Quantitative Aptitude - Arithmetic Ability Questions

Marked price of an item is Rs 900. On purchase of 2 items discount is 16%, on purchase of 5 items discount is 44%. Raksha buys 7 items, what is the effective discount?

The simple and compound interest that can be earned in two years at the same rate is Rs 1500 and Rs 1575 respectively. What is the rate (% per annum) of interest?

The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is

If  x = 2+3,then what is the value of 2x + 12x ?

On dividing a number by 47, we get 75 as quotient and 18 as remainder. What is the number?

AB is a chord of the circle and its center is “O”. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2√11) cm, find the radius (in cm) of the circle.

What is the slope of the line perpendicular to the line passing through the points (8,­2) and (3,­1)?

What is the value of (cot60 + 1/√3) ?