13, 23, 33, 43, 53
Odd One Out Logic
The task is to identify the number that does not fit the pattern within the sequence: 13, 23, 33, 43, 53.
Number Digit Analysis
We examine the properties of the digits that make up each number:
- 13: Digits are 1 (unit) and 3 (prime).
- 23: Digits are 2 (prime) and 3 (prime).
- 33: Digits are 3 (prime) and 3 (prime).
- 43: Digits are 4 (composite) and 3 (prime).
- 53: Digits are 5 (prime) and 3 (prime).
Conclusion: Identifying 43
The number 43 stands out because it is the only number in the list that includes a composite digit (4). All other numbers are formed using only prime digits (2, 3, 5) or the unit digit 1.
Important Questions from Number Series
Select the number from among the given options that can replace the question mark (?) in the following series.
37, 52, 74, 104, 143, ?
Select the number that can replace the question mark (?) in the following series.
17, 19, 22, 27, 34, 45, 58,?Select the number from among the given options that can replace the question mark (?) in the following series.
10, 14, 31, 35, 73, 77, ?
Select the number from among the given options that can replace the question mark (?) in the following series.
215, 231, 256, 292, ?
Select the number from among the given options that can replace the question mark (?) in the following series.
6, 6, 8, 24, 28, 140, ?
