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Start learning 50% faster. Sign in nowAssuming the disc is uniform and isotropic (the same in different directions), the hole will expand in the same ratio as the metal. It is because the thermal expansion equation applies to all lengths associated with the metal, including the circumference of the hole, since the edge of the hole is made out of metal. And if the circumference of the hole expands, so does the diameter.
Asha bought a dress and sold it at a profit of 20%. Had she bought it for Rs. 400 less and sold it for Rs. 480 more, she would have earned a profit of 6...
If the selling price of an item is 3/4 of its cost price, then what will be the loss/profit percentage?
"When a Seller purchased an item for Rs. 1200. He marked it above the cost price and sold it with two successive discounts of 25%...
A bought an article at 25% less of the marked price and sold it at 20% more than the marked price. Find the profit earned by him.
A sold 60% more apples than B. Ratio of number of apples sold by B to number of apples sold by C is 7:8. Find the number of apples sold by A if number o...
Article ‘P’, if sold at a profit of 18% earns a profit of Rs. 360. If article ‘P’ is marked 30% above its cost price and then sold after offerin...
An item marked at Rs. 1,500 is sold for Rs. 1,020 after two successive discounts of 15% and Y%. If a gadget with a cost price of Rs. 6,000 is sold at a ...
Table given below shows the cost price and selling price of five different articles.
