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    • Question

      28% of ‘k’ added to 72% of ‘l’ gives a total of

      144. If ‘l’ is 48 more than ‘k’, then find the value of (2k – l).
      A 45 Correct Answer Incorrect Answer
      B 32 Correct Answer Incorrect Answer
      C 50 Correct Answer Incorrect Answer
      D 90 Correct Answer Incorrect Answer

      Solution

      ATQ,

      00.28k + 0.72l = 144…….. (1)

      And, l – k = 48………. (2)

      On solving equation (1) and (2), we get

      k = 80 and l = 128

      Therefore, (2k – l) = 160 – 128 = 32

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