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Multiple choice

Find the wrong number of the following number series. 2, 9, 64, 645, 7776, 117649

  1. 645

  2. 64

  3. 7776

  4. 9

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The pattern is: 2^1=2, 3^2=9, 4^3=64, 5^4=625, 6^5=7776, 7^6=117649. The term 645 breaks this pattern as 5^4=625, not 645. Option A correctly identifies 645 as the wrong number.

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