Quantitative Aptitude - Arithmetic Ability Questions

Average of all even numbers between 222 and 250 is __________.

Which one is the largest among the fractions (5/113), (7/120), (13/145) and (17/160)?

The area of a rhombus having one side 10 cm and one diagonal 12 cm is

If x - y = -9 and xy = -20, then find x2 + y2 ?

If a - b = 2 and ab = 8, then what is the value of a3 - b3?

What is the value of tan3A?

The length of the two parallel sides of a trapezium are 16 m and 20 m respectively. If its height is 10 m, its area in square metres is

A solid sphere of radius 3 cm is melted to form a hollow right circular cylindrical tube of length 4 cm and external radius 5 cm. The thickness of the tube is