Multiple choice

Find the wrong term in the following number series- 8342 8173 7849 7320 6530 5447

  1. 7849

  2. 6530

  3. 7320

  4. 8342

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pattern of differences: 8342-8173=169, 8173-7849=324, 7849-7320=529, 7320-6530=790. These are 13², 18², 23²... but 790 is not a perfect square. The next difference should be around 28²=784, giving 7320-784=6536, not 6530. So 6530 is wrong. Option B is correct.

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