கேள்விக்குறிக்கு பதிலாக என்ன வர வேண்டும்?' பின்வரும் எண் வரிசையில்?

3, 7, ?, 27, -37, 63

  1. 12
  2. -18
  3. 15
  4. -9
  5. -12

Answer (Detailed Solution Below)

Option 4 : -9
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கொடுக்கப்பட்ட தொடர் கீழே காட்டப்பட்டுள்ள மாதிரியைப் பின்பற்றுகிறது:

3 + 2 2 = 7

7 - 4 2 = -9

-9 + 6 2 = 27

27 - 8 2 = -37

-37 + 10 2 = 63

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