Quantitative Aptitude - Arithmetic Ability Questions

If n + n2 + n4 + n8 = 45, then find the value of 'n' which will satisfy the equation.

The point of intersection of all the angle bisector of a triangle is ______ of the triangle.

What is the curved surface area (in cm²) of a hemisphere of diameter 42 cm?

The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)

Find the missing number?

If M = (3/7) ÷ (6/5) × (2/3) + (1/5) × (3/2) and N = (2/5) × (5/6) ÷ (1/3) + (3/5) × (2/3) ÷ (3/5), then what is the value of M/N?

If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?

The value of Sin 60 is