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10.If a reduction of Rs. 3 is given on an article and sold it to Rs. 42, then the percentage ofdiscount allowed is

Answer»

Discount= ₹3S.P.= 42so,real cost of the article on which discount of ₹3 is given=42+3= 45so percentage of discount = 3/45 * 100 = 20/3=6.66%



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