Quantitative Aptitude - Arithmetic Ability Questions

The mean of a distribution is 20 and the standard deviation is 4. What is the value of the coefficient variation?

Find the odd letters from the given alternatives.

At what point does the line 2x - 3y = 6 cuts the X axis?

If four angles of a quadrilateral are (6x-18), (80-4x), (4x+14), (12x-58), then find the value of the smallest angle of the quadrilateral.

The average weight of 25 bags is 55 kg. The weight of one bag was misread as 65 instead of 56. Find the correct mean value.

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.

Find the odd word/letter/number from the given alternatives

Which of the following quadratic equations has real roots?