Question
The area of four walls of a room is 144 cm2.
If the length and breadth of the room were equal and the height of the room is 4 cm, then what is the area of the floor?ÂSolution
According to question,  => l = b  Area of the wall = 2(l + b)h  => 144 = 2(l + l) × 4  => 144 = 4 × l × 4  => l = 144/16 = 9 cm  Area of the floor = l × b = 9 × 9 = 81 cm2Â
A fruit seller bought some mangoes. By selling 50% of total mangoes he got a profit of equal to 50% of his overall cost and 80% of remaining mangoes he ...
A shopkeeper sold an article at a discount of 13%. If he had given a discount of 7% in place of 13%, then he would have earned Rs. 108 more. If the cost...
An article Marked price is 30% above its cost price and it is sold at a discount of 10% making a profit of Rs.850.Then, what will be the selling price o...
Find the profit percentage earned on a school bag if it was sold at Rs.1746 after offering a discount of 10% and the marked price of a school bag is Rs....
Ravi purchased 6 notebooks, 18 markers, and 12 highlighters for Rs. 240, Rs. 1080, and Rs. 360, respectively, from a seller. By selling each notebook an...
Ali Sold two articles, if he marked up the second article at 8.33% above the selling price of the first article and gave a discount of 12.5% on that, th...
A shopkeeper sold an article for Rs. 200 after offering a discount of 20%. If he earned a profit of 60%, then find the ratio of cost price to the marked...
A vendor sold 25 laptops at a profit of 12% and 15 laptops at a profit of 20%. If he had sold all the 40 laptops at a profit of 18%, his profit would ha...
A merchant sold an article at 20% profit and bought another article with the proceeds. He then sold the second article at a 25% profit. If the original...
A shopkeeper marked the price of a bicycle at Rs. 15,000. He offers a discount of 30% on the marked price, and an additional 5% d...