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Find the missing number in series 12, 22, 48, 90, 188, ?

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Find the missing number in series 12, 22, 48, 90, 188, ?
1. 368
2. 366
3. 332
4. 371
5. 395
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Correct Answer - Option 2 : 366

Calculation:

⇒ 12 × 2 - 2 = 22

⇒ 22 × 2 + 4 = 48

⇒ 48 × 2 - 6 = 90

⇒ 90 × 2 + 8 = 188

⇒ 188 × 2 - 10 = 366

∴ The missing number is 366. 

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