Question
What is the key role of chitosan produced from
chitin in shrimp shell waste?Solution
Chitosan, produced from chitin in shrimp shell waste, finds extensive use in dental surgery and as a material for guided tissue regeneration.
A merchant sold an article at a loss of 12%. If the cost price was increased by 20% and the article was sold at a profit of 12%, find the percentage inc...
- Tanushi bought a fan for Rs. 2400 and she marked it 66(2/3)% above its cost price. She sold it after giving two successive discounts of 12.5% and x%. If t...
Determine the original cost of a laptop if it was sold at a 20% profit for Rs. 24,000.
A shopkeeper bought article ‘A’ for Rs. ‘x’ and marked it 20% above its cost price and sold it for Rs. 3000. Marked price of article ‘B’ is ...
- The profit on selling a book is 30%, and that on a pen is 20%. If profit on selling 2 books and 4 pens is Rs. 52, and on selling 3 books and 5 pens is Rs. ...
Anita tried her hands on selling a cake that she had baked. She sold half of her cake at 20% profit, but seeing that cake would perish soon, sold half o...
Rohit sold a machine for Rs. 1,050 and made a profit of 5% on it. At what price should he sell the machine to make a profit of 18% on it?
When the printer is sold for Rs. 34000, the owner loses 15%. At what price must that printer be sold in order to gain 15%?
- If the total cost of 8 cups and 5 plates is Rs. 260 and the total cost of 6 cups and 4 plates is Rs. 200, then find the cost of 9 cups.
The cost price of an article is 30% less than its selling price. For how much profit was it sold? (Round off up to 2 decimal plac...
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