Quantitative Aptitude - Arithmetic Ability Questions

What is the age of the eldest sister if, the sum of ages of 5 sisters born at the intervals of 3 years each is 50 years?

The mean of the data 3, 10, 10, 4, 7, 10, 5 is

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.

If 2560.256 = 25.6x, then what will be the value of x?

A shop keeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of cost price to the printed price of the book is

What is the slope of the line parallel to the line passing through the points (6,­3) and (2,­1)?

What is the area (in sq cm) of a regular hexagon of side 14 cm?

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