What should come in place of question Mark ‘?’ in the following number series?
68, ?, 407, 470, 496, 503

This question was previously asked in
SBI PO Prelims 1 Nov 2023 Memory Based Paper (Shift 1)
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  1. 283
  2. 229
  3. 217
  4. 253
  5. None of these

Answer (Detailed Solution Below)

Option 1 : 283
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Detailed Solution

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283 - 68 = 215 (63 - 1)

407 - 283 = 124 (53 - 1)

470 - 407 = 63 (43-1)

496 - 470 = 26 (33 - 1)

503 - 496 = 7 (23 - 1)

Hence 283 is the correct answer. 

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