The total cost of 6 pens and 4 pencils is Rs60. The total cost of 4 pens and 6 pencils is Rs40. If so, calculate the cost of a pen and a pencil.
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The total cost of 1 pen and 1 pencils is Rs 10 if The total cost of 6 pens and 4 pencils is Rs60. The total cost of 4 pens and 6 pencils is Rs40
Solution:
The total cost of 6 pens and 4 pencils is Rs 60
The total cost of 4 pens and 6 pencils is Rs 40.
Adding both
The total cost of (6+4) pens and (4+6) pencils is Rs (60 + 40)
=> The total cost of 10 pens and 10 pencils is Rs 100
Dividing by 10
=> The total cost of 1 pen and 1 pencils is Rs 10
on Further Solving Pen cost comes to be Rs 10 and Pencil cost comes 0
So Data given is not appropriate
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