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.

Which of the following fractions is largest?

After buying a toy for Rs.45, Raghu managed to sell it at a profit of 15%. The selling price of the toy was

In ΔDEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 3:2 and HF is 8 cm, then the length of DF is

What is the slope of the line perpendicular to the line passing through the points (­-4,5) and (3,­-2)?

Find the number which is NOT a prime number.

'P' is the smallest positive integer such that every positive integer N greater than 'P' can be written as a sum of two composite numbers. Then 'P' is

The total surface area of a cube is 73.5 sq.cm. Find its side (in cm).