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1 packet of biscuits costs Rs. 16, but a pack of 4 of the same packet of biscuits costs Rs. 56. What is the effective discount (in %) on the pack?
- A8
- B10
- C7.5
- D12.5
Answer not set
Discussion 1
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CCommunity
Cost of 1 packet of biscuit = 56/4 = 14
⇒ Effective discount can be given as = (16 – 14) × 100/16 = 2 × 100/16
∴ Effective discount = 12.5%
⇒ Effective discount can be given as = (16 – 14) × 100/16 = 2 × 100/16
∴ Effective discount = 12.5%