Quantitative Aptitude - Arithmetic Ability Questions

Solve the following 7 x {4 + (-2) x (-3)} = ?

In the following question, select the odd word pair from the given alternatives.

Which of the following is equivalent to 0.565656...?

ABCD is a cyclic quadrilateral of which AB is the diameter. Diagonals AC and BD intersect at E. If ∠DBC = 35°, Then ∠AED measures

If percentage of profit made,when an article is sold for Rs.78, is twice as when it is sold for Rs.69, the cost price of the article is

If the measure of the interior angle of a regular polygon is 100 deg greater than the measure of its exterior angle then how many sides does it have?

If the standard deviation of a population is 4.5, what would be the population variance?

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 a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.