Quantitative Aptitude - Arithmetic Ability Questions

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

If 3x + 4(1-x) > 5x -2 > 3x - 4; then the value of x is

If x1x2x3 = 4(4 + x1 + x2 + x3 ), then what is the value of [1/(2 + x1 )] + [1/(2 + x2 )] + [1/(2 + x3 )]?

If 4x + 3y = 11 and 3x + 2y = 8, then (x,y) is

Find the value of '?' in 512 × 125 ÷ 15625 = 3125 × 25?

54% of 4000 is

If a + b = 1, then a4 + b4 - a3 - b3 - 2a2b2 + ab is equal to

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