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An store has an offer ‘Buy 3 get 3 free’. What is the net percentage of discount?
1. 20%
2. 30%
3. 40%
4. 50%

1 Answer

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Correct Answer - Option 4 : 50%

Given

An offer, ‘Buy 3 get 3 free’.

Formula Used

Discount = Marked Price – Selling Price

Discount % = (Discount / Marked Price) × 100

Calculation

Let cost of 1 article be Rs. 100

Total number of articles got = 3 + 3 = 6

Number of articles purchased = 3

M.P. of 6 articles = 100 × 6 = Rs. 600

S.P. of 3 articles = 100 × 3 = Rs. 300

Discount = M.P. – S.P.

⇒ 600 – 300

⇒ Rs.  300

Discount % = (Discount / M. P.) × 100

⇒ (300 / 600) × 100

⇒ 50 %

∴ The net percentage of discount is 50%.

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