Quantitative Aptitude - Arithmetic Ability Questions

If x2 + (1/x2) = 1, then what is the value of x48 + x42 + x36 + x30 + x24 + x18 + x12 + x6 + 1?

If x -­ y = 7 and xy = 32, then value of (x2 + y2) is

If the value of a company stock drops from Rs. 25 per share to Rs. 21 per share, the percentage decrease per share is

If (x2/yz) + (y2/zx) + (z2/xy) = 3, then what is the value of (x + y + z)3?

In the given figure, O is the centre of the circle and QOR = 50 deg, then what is the value of RPQ (in deg) ?

The ratio of the sides of a triangular shaped park is 3 : 4 : 5 and the perimeter of the park is 170 m. What is the perpendicular distance in meters from the vertex, opposite to the largest side of the park?

If 7A = 5B = 2C; find A : B : C.

If 2x + 2(4 + 3x) < 2 + 3x > 2x + x/2; then x can take which of the following values?