Deepak Bora
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The cost of 5 pens and 8 pencils is Rs 120, while the cost of 8 pens and 5 pencils is Rs 153. Find the cost of 1 pen and that of 1 pencil.

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This is the Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for
ICSE & CBSE Board.
Question Number 8 Exercise 3F of RS Aggarwal Solution
Here the cost of n pen and pencil together is given you have to find the cost of 1 pen and 1 pencil.

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