Question
A Rs 750 tin of cheese is offered at 8% discount and a
Rs 1,250 tin of butter at 20% discount. If we buy 5 tins of cheese and 3 tins of butter, what is the effective discount we get (in %)?Solution
Each cheese tin cost Rs 750 Discount=8% Cost of each=750*92/100 =690 Cost of 5 cheese tins=3450 Each butter tin=Rs 1250 discount=20% Cost of each butter tin=1250*4/5 =1000 Cost of 3 butter tins=Rs 3000 Total cost=3450+3000 =6450 Total cost without discount=750*5+1250*3 =3750+3750 =7500 Percent=(6450/7500)*100 =86% Discount=100-86 =14%
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