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Number series 3, 12, 27, 48...

CMAT 2020 · Logical Reasoning · Easy · Series

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What comes next ? 3, 12, 27, 48, 75, 108, .....

  1. A.

    183

  2. B.

    147

  3. C.

    192

  4. D.

    162

Answer

B

Explanation

The terms follow 3×n23 \times n^2:

  • 3×12=33 \times 1^2 = 3
  • 3×22=123 \times 2^2 = 12
  • 3×32=273 \times 3^2 = 27
  • 3×42=483 \times 4^2 = 48
  • 3×52=753 \times 5^2 = 75
  • 3×62=1083 \times 6^2 = 108
  • 3×72=1473 \times 7^2 = 147

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