1.

Articles are marked at a price which gives a profit of 25%. After allowing a certain discount the profit reduces to $12\frac{1}{2}$ %. The discount percent is1). 11.1 %2). 10 %3). $12\frac{1}{2}$ %4). 12 %

Answer»

LET the cp=100
after profit 25%, sp=125
after DISCOUNT, profit is 25/2%,IE 12.5%.
sp after disc=112.5
125-112.5=12.5
disc%=12.5/125×100
=10%



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