two tables were sold at rs 990 each one at a profit of 10 % and the other at loss of 10 % what are the cost prices of each of the tables ? in this sale did the seller make a profit or loss ? what is the percentage of profit or loss ?
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direct formula is (x/10) ²
x= 10
(10/10) ² loss of 1%
x= 10
(10/10) ² loss of 1%
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