Odd One Out

In odd one out we need to identify the odd one among the four options.

Math odd one out is one of the important topics in competitive exams for different types of employment test in which math logical question are being asked. Students can improve their aptitude skill by practicing the questions and answers on odd one out.

If the students are clear with the concepts and ideas of this topic; they can easily solve any type of problems in this topic. Let’s consider some of the examples on odd one out, hints are given for the students to get the idea to solve.

Find the odd one out:


1. 51, 64, 78, 91, 104, 117.

(a) 51

(b) 78

(c) 104

(d) 130

[Hints: Add 13 to each number].


2. 147, 125, 103, 81, 58, 36, 14.

(a) 147

(b) 103

(c) 58

(d) 14

[Hints: Subtract 22 from each number].



3. 5, 15, 45, 137, 411, 1233.

(a) 137

(b) 1233

(c) 5

(d) None of these.

[Hints: Multiply 3 to each number].



4. 17, 21, 26, 30, 34, 38, 42.

(a) 21

(b) 26

(c) 30

(d) None of these.

[Hints: Add 4 to each number].



5. 22, 33, 47, 55, 66, 77, 88.

(a) 22

(b) 47

(c) 66

(d) 88

[Hints: Multiple of 11].



6. Which is the odd one out?

(a) 10 + 9

(b) 19 - 0

(c) 95 ÷ 5

(d) 19 × 0



7. Which is the odd one out?

(a) 55 - 44

(b) 121 ÷ 11

(c) 11 + 1

(d) 11 × 1



8. 8, 27, 64, 120, 216, 343.

(a) 27

(b) 120

(c) 343

(d) None of these.



9. 14, 28, 40, 54, 68, 82, 96.

(a) 14

(b) 40

(c) 68

(d) 96



10. Which is the odd one out?

(a) 1 + 5

(b) 18 - 12

(c) 3 × 2

(d) 6 ÷ 3



Math Only Math is based on the premise that children do not make a distinction between play and work and learn best when learning becomes play and play becomes learning.

 High School Math Puzzles

 Fun Brain Math Puzzles

 Math Puzzles and Brain Teasers

 Odd Man Out 

 Odd One Out

 Odd Pair of Numbers

 Worksheet on Odd Pair of Numbers

 Number Puzzles and Games




Math Puzzles

From Odd One Out to HOME PAGE




Didn't find what you were looking for? Or want to know more information about Math Only Math. Use this Google Search to find what you need.



New! Comments

Have your say about what you just read! Leave me a comment in the box below. Ask a Question or Answer a Question.

Share this page: What’s this?

Recent Articles

  1. Shifting of Digits in a Number |Exchanging the Digits to Another Place

    May 19, 24 06:35 PM

    Shifting of Digits in a Number
    What is the Effect of shifting of digits in a number? Let us observe two numbers 1528 and 5182. We see that the digits are the same, but places are different in these two numbers. Thus, if the digits…

    Read More

  2. Formation of Greatest and Smallest Numbers | Arranging the Numbers

    May 19, 24 03:36 PM

    Formation of Greatest and Smallest Numbers
    the greatest number is formed by arranging the given digits in descending order and the smallest number by arranging them in ascending order. The position of the digit at the extreme left of a number…

    Read More

  3. Formation of Numbers with the Given Digits |Making Numbers with Digits

    May 19, 24 03:19 PM

    In formation of numbers with the given digits we may say that a number is an arranged group of digits. Numbers may be formed with or without the repetition of digits.

    Read More

  4. Arranging Numbers | Ascending Order | Descending Order |Compare Digits

    May 19, 24 02:23 PM

    Arranging Numbers
    We know, while arranging numbers from the smallest number to the largest number, then the numbers are arranged in ascending order. Vice-versa while arranging numbers from the largest number to the sma…

    Read More

  5. Comparison of Numbers | Compare Numbers Rules | Examples of Comparison

    May 19, 24 01:26 PM

    Rules for Comparison of Numbers
    Rule I: We know that a number with more digits is always greater than the number with less number of digits. Rule II: When the two numbers have the same number of digits, we start comparing the digits…

    Read More