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| 1. |
Ravish brought 100 articles for ₹4000. He sold 20 of them at a gain of 5%. At what gain per cent must he sell the remaining articles so as to gain 20% on the whole? |
| Answer» Ravish brought 100 articles for ₹4000. He sold 20 of them at a gain of 5%. At what gain per cent must he sell the remaining articles so as to gain 20% on the whole? | |