Quantitative Aptitude - Arithmetic Ability Questions

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the area of quadrilateral ABCD?

Two students appeared for an examination. One of them secured 26 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are

What is the average of 90, 250, 240, 204, and 616?

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?

If a + b + c = 0 , then the value of a3 + b3+ c3 is

Compute : 1112 / 139 - 5

If the Arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.