Quantitative Aptitude - Arithmetic Ability Questions

Which of the following numbers is not composite?

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

Sum of twice a fraction and 5 times its reciprocal is 7. What is the fraction?

If 5x ­- 3 ≥ 3 + x/2 and 4x -­ 2 ≤ 6 + x; then x can take which of the following values?

Determine the value of a/b + b/a when a + b = 8 and ab = 4.

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.

Product of digits of a 2-digit number is 18. If we add 63 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

The sum of three consecutive even integers is 84. Which is the least integer among them?