Question
In a mixture of 85 litres, the ratio of milk to water
is 2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?Solution
Quantity of milk in the mixture = 85 × 2/5 = 34 liters Quantity of water in the mixture = 85 × 3/5 = 51 liters Let x liters water be added to the mixture then, 34/(51+ x) = 1/3 102 = 51 + x x = 102 - 51 = 51 litres
P purchased a book from registered store and gets 14% discount while Q purchased the same book from a roadside stall and got 19% discount. If Q paid Rs....
A trader marked an item 60% above its cost price and sold it for Rs. 2400 after offering a 25% discount. What was the cost price ...
A dishonest dealer professes to sell his goods at cost price, but he uses a weight of 600 gm for the kg weight. Find his gain per cent.
A shopkeeper made a profit of 40% by selling an article for Rs. 280. If he had sold it after allowing a discount of 15% on its selling price, then find ...
A person buys 5 tables and 9 chairs for Rs. 15400.He sells tables at 10% profit and chairs at 20% profit. If his total profit on selling all tables and...
A shopkeeper bought article ‘A’ for Rs. ‘x’ and marked it 25% above its cost price and sold it for Rs. 2600. Marked price of article ‘B’ is ...
If an article is marked 60% above the cost price. If discount of x% is given on the marked price of the article then final profit of 12% is obtained. No...
A dealer buys three different fruits A, B & C at the rate of Rs. 50, Rs. 40 and Rs. x per kg respectively. The quantity (by weight) of B bought by him i...
The profit percentage of K and L is same on selling the articles at Rs. 48800 each but K calculates his profit on the selling price while L calculates ...
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 ...
Relevant for Exams:
