Select the number that DOES NOT belong to the following group.
1, 2, 6, 21, 88, 446, 2676
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 446.
| Understanding |
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Given series: 1, 2, 6, 21, 88, 446, 2676 The logic used here is: (1 + 1) x 1 = 2 (2 + 1) x 2 = 6 (6 + 1) x 3 = 21 (21 + 1) x 4 = 88 (88 + 1) x 5 = 445 (445 + 1) x 6 = 2676 Hence, option 2 is the correct answer. |