Quantitative Aptitude - Arithmetic Ability Questions

The sum of digits of a two-digit number is 9. When the digits are reversed, the number decreases by 45. Find the changed number.

The distance between two pillars is 120 metres. The height of one pillar is thrice the other. The angles of elevation of their tops from the midpoint of the line connecting their feet are complementary to each other. The height (in metres) of the taller pillar is (Use : √3 = 1.732)

If 3x + 2 < 2x + 1 and x ­- 4 ≤ 2x -­ 1; then x can take which of the following values?

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

Find out the odd word/letters/number/number pair from the given alternatives.

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

If Sinx = 4/5, then Sec2x - 1 = ?

The volume of a right circular cone, whose radius of the base is half of its altitude, and the volume of a hemisphere are equal. The ratio of the radius of the cone to the radius of the hemisphere is