A customized jewellery was sold at Rs1000 with 90% discount on the 'making charges'. If the payment made for making charges was Rs100, what was the approximate rate of discount on the product?
A
35
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B
45
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C
47
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D
90
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Solution
The correct option is D47 SP of jewellery include Rs100 making charges = 1000 Where cost of jewellery = Rs 900 After 90% discount, 10% of making charge = Rs100 Let making charge be = x 10x100=100 x=1000 Total CP of jewellery = 1000+900=Rs1900 Overall discount = 9001900×100=47% approx