Question
Successive discounts of 10% and 20% are equivalent to a single discount of :
Answer: Option B
Answer: (b)Using Rule 5,Successive discounts of x% and y%= $(x + y - {x + y}/100)%$Required discount= $(20 + 10 - {20 × 10}/100)$%= 30 - 2 = 28%
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Answer: (b)Using Rule 5,Successive discounts of x% and y%= $(x + y - {x + y}/100)%$Required discount= $(20 + 10 - {20 × 10}/100)$%= 30 - 2 = 28%
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