An article having marked price, Rs. 900, was sold for Rs. 648 after two successive discounts. The first discount was 20%. What was the percentage rate of the second discount?
Show answer & explanation
Correct answer: B
Explanation
Correct Answer is option 2 i.e. 10
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Understanding |
Application |
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Cumulative discount after 2 successive discounts of x% and y% = x + y - xy/100 Given: MP = Rs. 900 and SP = Rs. 648 1st discount = 20% Suppose 2nd discount = x% |
Cumulative discount = [(900 – 648)/900] × 100 = 252/9 = 28% Then, x + 20 – 20x/100 = 28 8x/10 = 8 x = 10 Hence, second discount = 10%
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