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We know that, a3 + b3 + c3 - 3abc = (a + b + c)(a2 + b2 + c2 - bc - ab - ac) So, a3 + b3 + c3 - 3abc = 0 X (a2 + b2 + c2 - bc - ab - ac) [Since, a + b + c = 0]
An item is initially priced 36% higher than its cost price. After applying a 25% discount, it sells for a profit of Rs. 30. If, instead, the item is mar...
A shopkeeper made a profit of 50% by selling an article for Rs. 300. If he had sold it after allowing a discount of 20% on its selling price, then find ...
Sushil sold an item at 6% profit. Had he sold it for Rs. 5,760 less, he would have incurred a loss of 10%. Find the cost price of the item.
A man purchased a book for an amount equal to the simple interest earned on Rs. 6000 lent to a friend for 2 years at an interest rate of 4% per annum. I...
On a certain item profit is 150%. If the cost price increases by 25% what will be the new profit margin (in %)?
A person bought an article and sold it at a loss of 15%. If he had bought it for 20% less and sold it for Rs114 more he would have had profit of 30%. F...
Aaarav makes a profit of Rs. 122 if he sells a certain number of erasers he has at the price of Rs. 8 per eraser and incurs a loss of Rs. 25, if he sel...
An article is sold for Rs. 2,295 after successive discounts of 20% and 5%. What is the marked price of the article?
A dealer bought two washing machines at a certain amount. He sold the first washing machine at a 35% profit and the second washing machine at a 15% loss...
A invested Rs X in a scheme. After 6 months, B joined with Rs 7500 more than that of A. After an year, ratio of profit of B to the total profit was 3: 7...
