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Question 73
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%Â
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