Number Series, Coding, Odd Man OutMTP Nov 19Question 2180 of 217
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Find odd one out of the series 37,45,49,65,79\displaystyle 37, 45, 49, 65, 79

Options

A37\displaystyle 37
B45\displaystyle 45
C49\displaystyle 49
D65\displaystyle 65
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Correct Answer

✅ Option c — 49\displaystyle 49

All Options:

  • A37\displaystyle 37
  • B45\displaystyle 45
  • C49\displaystyle 49
  • D65\displaystyle 65

Detailed Solution & Explanation

Let's analyze the properties of the numbers in the series 37,45,49,65,79\displaystyle 37, 45, 49, 65, 79:
- 49\displaystyle 49 is a perfect square (49=72\displaystyle 49 = 7^2).
- The other numbers in the series (37,45,65,79\displaystyle 37, 45, 65, 79) are not perfect squares.

Since 49\displaystyle 49 is the only perfect square in the series, it is the odd man out.

Hence, **Option C** is the correct answer.

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