What is the Cost Price of Pen? If

A trader sold a pen at a loss of 20%. If he sells the pen at Rs.12 more he would have gained 10%. The cost price the pen in (Rs.) is

  1. 60
  2. 40
  3. 30
  4. 22
Monis Rasool Professor Asked on 10th June 2015 in Maths.
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  • 1 Answer(s)

    Answer: (2) 40
    Explanation:-

    Let be the cost price is Rs.X
    According to the question,
    X x 80/100 + 12 = 110X/100
    11X/10 – 4X/5 = 12
    (11X – 8X) = 120
    3X = 120
    X = 120/3 = 40

    Hence, the cost price is Rs.40.

    Anurag Mishra Professor Answered on 11th June 2015.
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