A

Admin • 828.03K Points
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Q. If 20 articles cost ₹ 90, then the cost of 9 articles is ?

  • (A) ₹ 45
  • (B) ₹ 40.50
  • (C) ₹ 4.50
  • (D) None of these
  • Correct Answer - Option(B)
  • Views: 6
  • Filed under category Math
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Explanation by: Admin
Cost of 20 articles = ₹ 90
Cost of 1 article = ₹ 90/20
∴ Cost of 9 article = 9 x 90/20 = ₹ 40.50

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