Quantitative Aptitude - Arithmetic Ability Questions

If x1x2x3 = 4(4 + x1 + x2 + x3 ), then what is the value of [1/(2 + x1 )] + [1/(2 + x2 )] + [1/(2 + x3 )]?

If the selling price is Rs 1680 after getting a discount of 16%, what was the marked price?

If a4 + 1 = [a2 /b2 ] (4b2 – b4 – 1), then what is the value of a4 + b4?

Select the odd letters from the given alternatives.

Select the odd word from the given alternatives.

If 2x- ­2(x ­- 2) < 5 ­- x > ­-2x + 2; then the value of x is

If y = √3 - √2, then find the value of 1y3 - y3.

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% per annum is Rs 900. What is the value of given sum (in Rs)?