Quantitative Aptitude - Arithmetic Ability Questions

If (7x -­ 13) ­ (12x + 3) = 14, then the value of x is ______ .

What is the total number of points in the plane of triangle ABC which is equidistant from the vertices of the triangle?

Find the volume (in cm3) of a right circular cylinder of diameter 21 cm and height 10 cm.

If x2-3x+1=0, then x+1x is (x≠0)

α and β are the roots of quadratic equation. If α + β = 8 and α – β = 2√5, then which of the following equation will have roots α4 and β4?

The sum of the digits of a 2­digit number is 17. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

There is 40% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 10000 after 3 years at the same rate?

ABCD is a quadrilateral in which BD and AC are diagonals then