Quantitative Aptitude - Arithmetic Ability Questions

The price of rice has increased by 60%. In order to restore the original price, the new price must be reduced by

If a(a + b + c) = 45, b(a + b + c) = 75 and c(a + b + c) = 105, then what is the value of (a2 + b2 + c2 )?

The simplest form of 3774/2958 is

If x1/4 + x-1/4 = 2, then what is the value of x81 + (1/x81)?

If x2-2x+1=0,then the value of x4+1x4 is

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 4 cm, then what is the area (in cm2) of an equilateral triangle with side equal to the bigger diagonal of the rhombus?

(242699 + 167109) ÷ (9946 –9446) = ?

The least number that must be added to 8961 to make it exactly divisible by 84 is