Question
I. 5x² -14x + 8 = 0  II. 2y² + 17y + 36 =
0Â Â Â In the following questions, two equations numbered I and II are given. You have to solve both the equations and give answer.Solution
I. . 5x² -14 x + 8 = 0   5x² - 10x - 4x + 8 = 0   5x(x-2) - 4 (5x – 2) (x -2 ) (5x-4) x = 2, 4/5 II. 2y ²  - 17y  + 36 = 0     2y ² + 9y + 8y + 36 = 0   y (  y + 9) + 4( y  + 9) (y  + 4) (2y + 9) y = - 4, -9/2 Hence, x > y
A man bought an article at 25% less of the marked price and sold it at 15% more than the marked price. Find the profit earned by him.
...David earns a profit percentage of 18% on the cost price by selling an item for Rs. 5,900. Find the cost price of the item.
The cost of 5 guns is equal to the cost of 12 magazines. If a seller marks the price of each gun 50% higher than its cost price and gives away one magaz...
- A fridge was sold for Rs. 22,680 at a profit of 10%. If it had been sold for Rs. 21,900 instead, what would have been the profit or loss 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 shopkeeper purchases two mobile phones for a total of Rs. 750. He sells the first mobile at a 20% profit and the second mobile at a 20% loss. If the ...
A seller initially marked the price of an article 25% higher than its cost price. However, to finalize the sale, a 30% discount was offered on this mark...
The ratio between the cost price of product G and H is 8:7 respectively. Each of the products was marked 25% above its cost price. If the MRP of product...
Vista Publications sold a Notebook for Rs. 150 and made a profit of 20% on its Cost Price (CP) and sold a Diary for Rs. 330 and made a profit of 10% on ...
