Quantitative Aptitude - Arithmetic Ability Questions

If √[(1 - cosA)/2] = x, then the value of x is

Point P (-2, 5) is the midpoint of segment AB. Co-ordinates of A are (-5, y) and B are (x, 3). What is the value of x?

If x + y = 3, then what is the value of x3 + y3 + 9xy?

Two identical hemispheres of maximum possible size are cut from a solid cube of side 14 cm. The bases of the hemispheres are part of the two opposite faces of cube. What is the total volume (in cm3) of the remaining part of the cube?

What is the area (in sq cm) of a rectangle if its diagonal is 51 cm and one of its sides is 24 cm?

The LCM of 72 and 84 is:

Given: x -­ 5 ≤ 2x -­ 3 and 2x - ­1/2 ≥ 5x + 2; then x can take which of the following values?

Select the odd letters from the given alternatives.