Multiple choice

Find the value of question mark (?) in the given missing number series. दी गई लुप्त संख्या श्रृंखला में प्रश्न चिह्न (?) का मान ज्ञात कीजिए। 2, 6 , 33, 49, 174, 210, ?

  1. 275

  2. 387

  3. 464

  4. 553

  5. 495
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D Correct answer
Explanation

Pattern: differences are 4, 27, 16, 125, 36. Odd-position differences: 4=2², 16=4², 36=6². Even-position differences: 27=3³, 125=5³. Next odd-position difference should be 8²=64. 210 + 64 = 274 (not in options). Checking 495: pattern also works as alternating series - 2, 33, 174, 553 (differences: 31, 141, 379) and 6, 49, 210 (differences: 43, 161).

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