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What number comes next: 5, 9, 17, 29, 45, ?

Competition practiceReasoning & Mental Ability
  • A65
  • B61
  • C69
  • D63

Step-by-Step Solution

The differences are 4, 8, 12, 16 (going up by 4). The next difference is 20, so 45 + 20 = 65.
Answer: A) 65

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