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  • Quantitative Aptitude Test
  • Find the number to replace the question mark (?). 2, 3, 1...
Multiple choice

Find the number to replace the question mark (?).

2, 3, 10, 15, ?

  1. 26

  2. 24

  3. 50

  4. 25

  5. None of these

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

The given series is: 12 + 1, 22 - 1, 32 + 1, 42 - 1, 52 + 1

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