A shopkeeper gives 1 article free on the purchase of every 4 articles. He also allows an additional discount of 20%. Find his total net discount percentage. MCQ with Answer and Explanation
A shopkeeper gives 1 article free on the purchase of every 4 articles. He also allows an additional discount of 20%. Find his total net discount percentage.
A. 36%
B. 40%
C. 45%
D. 44%
Answer: Option A
Solution (By JKSSB Mock Tests)
Customer gets 5 articles but pays for 4. Discount from free item = (1/5) * 100 = 20%. Two successive discounts of 20% and 20%. Equivalent discount = 20 + 20 - (400/100) = 36%.
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