Question
A solid cube of side 8 cm is dropped into a rectangular
container of length 16 cm, breadth 8 cm and height 15 cm which is partly filled with water. If the cube is completely submerged, then the rise of water level (in cm) is:Solution
The volume of cube = The volume of the rectangular container with a length of 16 cm, breadth of 8 cm, and height of the water level rise Let, the height of the water level will rise = x cm So, 83 = 16 × 8 × x ⇒ 512 = 128 × x ⇒ x = 512/128 = 4 ∴ The rise of water level (in cm) is 4 cm
An item is tagged 20% over its cost price and sold after offering a 10% discount. What is the profit or loss percentage?
A fruit seller buys oranges at the rate of 11 for ₹55. How many oranges should he sell for ₹54 to gain 20%?
A shopkeeper sold an article for Rs. 600 after offering a discount of 40%. If he earned a profit of 50%, then find the ratio of cost price to the marked...
A trader marked an article 40% above its cost price and sold it after allowing a discount of 25%. If the transaction resulted in a profit of Rs. 30, the...
The cost price of 25 apples is Rs.50. If it is sold at 20% profit, then how many apples will be sold for Rs.60?
By selling an article at a price of Rs 1170 a shopkeeper suffered a loss of 10%, then at what price the shopkeeper must sell the article to get 20% profit?
A shopkeeper marked an article Rs. 850 above its cost price and sold it after giving a discount of 30% and earned a profit of 20%. Find the cost price o...
A seller marked his article 80% above the cost price and sold it after offering two successive discounts of 60% and 25% respectively. In the whole trans...
- A businessman sold a commodity for Rs. 4,250 and gained a profit of 25%. Find the new selling price if he decides to earn only 15% profit.
The ratio of cost price to the marked price of an article is 5:8. The article had been marked above its cost price by Rs. 720. If the article was sold a...
Relevant for Exams:
