Quantitative Aptitude - Arithmetic Ability Questions

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.

The height and the total surface area of a right circular cylinder are 4 cm and 8π sq.cm. respectively. The radius of the base of cylinder is

A cylindrical capsule has hemispherical ends of the radii equal to radius of the cylindrical part. If length of the capsule is 40 m and radius 6 m, what is the total surface area of this capsule?

When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his % profit?

The interest earned on Rs. 3675 at the rate of 4% simple interest per annum for 2 years will be

A number 35786X625 is completely divisible by 9, find the smallest whole digit number in the place of ‘X’.

Choose the one which is odd from the following options

If 4x + 5y = 14 and x - 5y = 16 then the value of x and y are