Mr Lim bought a refrigerator on hire purchase. The cash price of the refrigerator is $1,200. He paid a 20% deposit and agreed to pay the balance in 12 equal monthly instalments. Each instalment included an interest of 1.5% per month on the unpaid balance. Calculate the total amount paid for the refrigerator under hire purchase.[2]
The Venn diagram shows the universal set and the number of elements in each of its subsets. Find the number of elements in the set \((A\cap B)\cup(A\cup B)'\).[1]
On the Venn diagram, shade the region which represents \((A'\cup B)\cap(A\cup B)'\).[1]
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