Quantitative Aptitude - Arithmetic Ability Questions

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

What is the sum of all prime numbers between 60 and 80?

The square root of which of the following numbers is irrational?

The base and hypotenuse of a right angled triangle is 12 cm and 5 cm respectively. Find the circum-radius (in cm) of the triangle.

The bar graph shows the annual sales of the different departments of a company. Study the diagram and answer the following questions

What is the ratio of the annual sales of department B to that of department F?

If any two sides of a triangle are divided by the line in the same ratio, then the line must be _________________ to the third side of the triangle.

Kaushik bought a toy for Rs. 160 and sold it for Rs. 180. The rate of profit was ___%.

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.