Buy x get y free (or y for the price of x): effective discount, compared with other schemes

1. A.
   A
2. B.
   A does not give any discount
3. C.
   A and B both have the same discount percentage
4. D.
   B

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1. A.
   B does not give any discount
2. B.
   B
3. C.
   A and B both have the same discount percentage
4. D.
   A

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1. A.
   Only B
2. B.
   Only B and C
3. C.
   Only A and C
4. D.
   Only A

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1. A.
   (1)
2. B.
   (4)
3. C.
   (2)
4. D.
   (3)

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1. A.
   $28\frac{4}{7}\%$
2. B.
   $22\frac{2}{9}\%$
3. C.
   $25\%$
4. D.
   $30\%$

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1. A.
   25.33%
2. B.
   33.33%
3. C.
   30%
4. D.
   20%

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1. A.
   Rs. 850
2. B.
   Rs. 800
3. C.
   Rs. 1000
4. D.
   Rs. 900

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