Answer-<p>The average cost of 4 chairs is Rs. 15000. The average cost decrease by 15% when one more c...

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Answer-&lt;p&gt;The average cost of 4 chairs is Rs. 15000. The average cost decrease by 15% when one more c...

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Total cost of 4 chairs  15000 times 4  Rs. 60000 Average cost of all the 5 chairs  15000 times 85100  Rs. 12750 Total cost of all the 5 chairs  12750 times 5  Rs. 63750 Cost of the 5th chair  63750 - 60000  Rs. 3750

The average cost of 4 chairs is Rs. 15000. The average cost decrease by 15% when one more chair is included. What is the cost price of the 5th chair?

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