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A reduction of 20% in the price of salt enabled a purchaser to obtain 4 kg. more for $ 100. The reduced price of salt per kg is :
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- $ 4
- $ 5
- $ 6.25
- $ 6.50
Correct Option: B
Due to fall in price, there is a saving of 20% of $ 100 i.e., $ 20.
With this amount the purchaser purchases 4 kg. of salt.
| ∴ Reduced price of salt per kg = | = $ 5 | 4 |
