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Q. The fourth proportional to 0.2, 0.12 and 0.3 is ?

  • (A) 0.13
  • (B) 0.15
  • (C) 0.18
  • (D) 0.8
  • Correct Answer - Option(C)
  • Views: 24
  • Filed under category Math
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Explanation by: Admin

Let 0.2 : 0.12 : : 0.3 : N
∵ 0.2 x N = 0.12 x 0.3
∴ N = (0.12 x 0.3) / 0.2 = 0.18

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