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Q.


On selling a chair for Rs.720, a man gains 20% . What will be the cost price of the chair?

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a

Rs. 864

b

Rs. 576

c

Rs. 576

d

Rs. 600 

answer is D.

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Detailed Solution

Given that, on selling a chair for Rs.720, a man gains 20%.
We know that, Question Image.
Where S.P.= Selling Price and  C.P.=Cost Price.
Applying the formula,
C.P= 100 100+gain% ×S.P  
C.P= 100 100+20 % ×S.P = 100 120 ×720 = 7200 12 =600  
Therefore, the cost price of the chair is Rs. 600.
Hence, the correct option is 4.
 
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