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An online store starts online sale, “Buy 5 get 1 free”. Find the overall discount percentage on this offer.
1. 11.22%
2. 12.22%
3. 15.55%
4. 16.66%

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Correct Answer - Option 4 : 16.66%

Given

An offer, “Buy 5 get 1 free.”

Formula Used

Discount = Marked Price – Selling Price

Discount % = (Discount / Marked Price) × 100

Calculation

Let the price of article be ‘x’

Number of articles purchased = 5

Total number of articles gets = 5 + 1 = 6

M.P. of 6 articles = 6x

S.P. of 5 articles = 5x

Discount = M.P. – S.P.

⇒ 6x – 5x

⇒ x

Discount % = (Discount / M.P.) × 100

⇒ (x / 6x) × 100

⇒ 16.66%.

∴ The overall discount percentage is 16.66%.

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