Quantitative Aptitude - Arithmetic Ability Questions

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 = 0 has infinite number of solutions?

The angle of elevation of the top of a tower from two horizontal points (in opposite sides) at distances of 25 meter and 64 meter from the base of tower are x and 90° - x respectively . The height of the tower will be

If sinθ x cosθ = 1⁄2 . The value of sinθ ­- cosθ is where 0°< θ< 90°

p3 + q3 + r3 – 3pqr = 4. If a = q + r, b = r + p and c = p + q, then what is the value of a3 + b3 + c3 – 3abc?

What is the value of a-b when a2+b2-6a-6b+18 = 0 ?

Which of the following value of 'x' satisfies the equation 814x+4 = 2432x+8?

Select the odd number from the given alternatives.

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