Quantitative Aptitude - Arithmetic Ability Questions

For real a, b and c if a2 + b2 + c2 = ab + bc + ca, then find the value of a+b+c2.

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 aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

In the following question, select the odd letter/letters from the given alternatives.

If the measure of the interior angle of a regular polygon is 120 deg then how many sides does it have?

The sum of a fraction and 3 times its reciprocal is 31/6. What is the fraction?

The circumference of a circle is equal to the perimeter of an equilateral Δ. If the radius of the circle is 14 cm what is the length of the side of the equilateral Δ?