Question
What is the pH of freshly down milk
?Solution
Milk is slightly acidic or close to neutral pH. The exact value of a sample depends on when the milk was produced by the cow, The pH of a glass of cow milk ranges from 6.4 to 6.8. Milk fresh from the cow typically has a pH between 6.5 and 6.7. The pH of milk changes over time. As milk goes sour, it becomes more acidic and the pH gets lower.Â
- A trader purchased a gadget and sold it at a profit of 30%. If he had sold it at a profit of 18%, his profit would have decreased by Rs.180. What was the c...
The cost price of an article is Rs. 5500 and a shopkeeper wants to earn 16% profit on it after giving 20% discount on marked price. Find the marked pric...
A trader buys some goods for Rs 150. If the overhead expenses be 12% of cost price, then at what price should it be sold to earn 10% profit ?
- A merchant offers a 20% discount to his customers on the marked price of a product. He still manages to make a profit of 60%. If the profit earned is Rs. 1...
- A shopkeeper tagged a gadget for Rs. 500 and sold it after allowing successive discounts of 10% and 25%. If his overall profit was Rs. 35, what was the cos...
Tina is 50% more efficient than Rina, and Mina is 30% more efficient than Tina. If Mina and Tina together can do a piece of work in 12 days, in how many...
X purchased a laptop for Rs. 27,800 and later sold it for Rs. 31,692. What is the percentage of profit he made on this transaction?
The ratio of the cost price to the marked price of an article is 2:5 and the ratio of the profit percentage to the discount percentage is 5:2. Find the...
A man earns a profit of 10 percent by selling a mobile for a certain price. If he sells that mobile at double the price, then what will be the profit p...
- A shopkeeper marked a product 35% above its cost price. If the marked price is Rs. 10,800 and a discount of 25% is given, calculate the profit earned (in R...
Relevant for Exams:
