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    • Question

      3 pens + 5 pencils = ₹49

      4 pens + 3 pencils = ₹47 Find cost of one pen.
      A 5 Correct Answer Incorrect Answer
      B 3 Correct Answer Incorrect Answer
      C 8 Correct Answer Incorrect Answer
      D None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      3p + 5q = 49, 4p + 3q = 47. Eliminate q ⇒ 11q = 55 ⇒ q = 5. Substitute: 4p + 15 = 47 ⇒ p = 8.

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