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A company offers three types of successive discounts : (i) 25% and 15%, (ii) 30% and 10%, (iii) 35% and 5%. Which offer is the best for a customer?
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- First offer
- Second offer
- Third offer
- Any one; all are equally good
Correct Option: C
(i) Here , a = 25% and b = 15%,
Equivalent discount =  25 + 15 - | 25 x 15 |  % |
| 100 |
Equivalent discount = ( 40 - 3.75 ) % = 36.25%
(ii) Here , a = 30% and b = 10%,
| Equivalent discount = 30 + 10 - | 30 x 10 | % |
| 100 |
Equivalent discount = ( 40 - 3 ) % = 37%
(iii) Here , a = 35% and b = 5%,
| Equivalent discount = 35 + 5 - | 35 x 5 | % |
| 100 |
Equivalent discount = ( 40 - 1.75 ) % = 38.25%
From above , it is clear that discount 38.25% is best for a customer.
Hence option [ C ] is correct answer.
