Quantitative Aptitude - Arithmetic Ability Questions

Find the sum of interior angles of a decagon?

The diagonal of a square is 10 cm. What is the length (in cm) of its side?

Mohan starts to calculate sum of all odd natural number less than 83. What result does he get?

Find the odd words/letter/number from the given alternatives:

In what ratio is the segment joining (-1,-12) and (3,4) divided by the x-axis?

Which value among 53, 64,126,27612 is the largest?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

If 5x + 4(1 -­ x) > 3x - ­4 > 5x/3 -­ x/3; then x can take which of the following values?