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A single discount equivalent to the discount series of 20%, 10% and 5% is_______?

/ Mathematics Mcqs, Profit and Loss Mcqs / By
A single discount equivalent to the discount series of 20%, 10% and 5% is_______?

A. 25%
B. 30%
C. 31.6%
D. 33.5%
Explanation:
100*(80/100)*(90/100)*(95/100) = 68.4
100 – 68.4 = 31.6