Quantitative Aptitude - Arithmetic Ability Questions

What is the value of cos 4π/3?

If -5x3+2 = x-6, then find the value of x?

Point P is the midpoint of segment AB. Co-ordinates of P are (5, -1) and A are (2, -4). What are the co-ordinates of point B?

If (8 - 10x) - (13x - 2) = -9, then the value of x is

What is the distance between the points (4,7) and (­1,­5)?

The sum of three consecutive even numbers is 42. Find the middle number.

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the difference between perimeter of triangle ABC and perimeter of triangle ADC?

­ A wooden bowl is in shape of a hollow hemisphere of internal radius 8 cm and thickness 1 cm. Find the total surface area of the bowl?