Quantitative Aptitude - Arithmetic Ability Questions

If A = 0.216 + 0.0080.36+0.04-0.12 & B = 0.729-0.0270.81+0.09+0.27, then what is the value of A2+B22 ?

If 2x + (9/x) = 9, then what is the minimum value of x2+1x2 = ?

In the following question, select the odd number from the given alternatives.

Two spheres of equal radius are taken out by cutting from a solid cube of side (12 + 4√3) cm. What is the maximum volume (in cm3) of each sphere?

Which of the fractions given below, when added to 5/8, gives 1?

The product of the ages of Swati and Aparna is 120. If thrice the age of Aparna is more than Swati's age by 2 years, find the age of Swati.

An army of 12000 consists of Europeans and Indians. The average height of a European is 5ft 10 inches and that of an Indian is 5ft 9 inches and that of the whole army is 5ft 9 3/4 inches. Then the number of Indians in the army is ?

If x - 1/x = 1 then what is the value of 1x1x-1-1x+1+1x2+1-1x2-1?