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Which number does NOT belong in the pattern 3, 6, 9, 13, 15?

Class 6Patterns and RulesAlgebra
  • A6
  • B9
  • C13
  • D15

Step-by-Step Solution

The multiples of 3 are 3, 6, 9, 12, 15. So 13 does not belong (it should be 12).
Answer: C) 13

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