Quantitative Aptitude - Arithmetic Ability Questions

Sum of lengths of all edges of a cube is 84 cm, find its volume?

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 ?

N is the smallest three digit prime number. When N is divided by 13, then what will be the remainder?

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.

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.

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?

The point P(a, b) is first reflected in origin to P1 and P1 is reflected in Y-axis to (4, -3). What are the co-ordinates of point P?