Quantitative Aptitude - Arithmetic Ability Questions

If 11-13xx + 11-13yy + 11-13zz = 5 then what is the value of 1x + 1y + 1z = ?

The curved surface area and the slant height of a right circular cone are 99 sq.cm and 9 cm respectively. Find its diameter (in cm)

An angle is smaller than its supplementary angle by 50°. What is the measure of the angle?

In the following question, select the odd word pair from the given alternatives

Coefficient of x2 in (x + 9)(6 -­ 4x) is

If x = 2+32-3, then what is the value of x2+x-9 ?

If 3 tan θ = cot θ where 0 < θ < π/2, then what is the value of θ ?

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