Quantitative Aptitude - Arithmetic Ability Questions

If the shopkeeper sells an item at Rs 450 which is marked as Rs 600, then what is the discount he is offering?

If x3 + y3 + z3 = 3(1 + xyz), P = y + z – x, Q = z + x – y and R = x + y – z, then what is the value of P3 + Q3 + R3 – 3PQR?

Determine the value of ‘r’ for which the equation 13x + 5 = rx + 18 has no solution.

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

If (1 - sinA)/(1 + sinA) = x, then x is

The radius of the circle circumscribing the three vertices of an equilateral triangle is 12 cm. Determine the height (in cm) of the equilateral triangle

The length, breadth and height of a cuboid are in the ratio 19 : 11 : 13. If length is 30 cm more than height, then what is the volume (in cub.cm) of this cuboid?

The total surface area of a hemisphere is 166.32 sq cm, find its radius?