Question:
There are 4 numbers given below. 3 of them are similar and can be classified into a group. Which of these numbers form a group?
1) 121
2) 12421
3) 1234321
4) 123454321
There are 4 numbers given below. 3 of them are similar and can be classified into a group. Which of these numbers form a group?
1) 121
2) 12421
3) 1234321
4) 123454321
1) 121
2) 12421
3) 1234321
4) 123454321
Updated On: Mar 4, 2025
- 1, 2 and 3
- 1, 3 and 4
- 1, 2 and 4
- 2, 3 and 4
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The Correct Option is B
Solution and Explanation
Step 1: Identify the Common Property Among the Given Numbers
- 121, 1234321, and 123454321 are all palindromic numbers (they read the same forward and backward).
- 12421 is not a perfect palindrome because it does not have symmetry.
Step 2: Determine the Odd One Out
Since 121, 1234321, and 123454321 share the same palindromic property, the odd one out is 12421.
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