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Question

After getting three equal successive discounts percentages over a marked price of Rs. 1000 a customer has to pay 729 for an article. What is the rate of each of the successive discounts ?

A
10%
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B
20%
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C
30%
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D
40%
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Solution

The correct option is A 10%
Let x is the factor by which successive discount was given.
Thus 1000×x×x×x=729
x3=7291000
x=910
x=0.910%

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