Total height of 25 students of the class = 150 × 25 = 3750 cm When 10 new students joined the class, average height of each student = 150 + 3 = 153 cm Total height of 35 students of the class = 153 × 35 = 5355 cm Average height of 10 new students who joined the class = {(5355 – 3750)/10} = 1605/10 = 160.5 cm
A trader buys two types of smartphones at different prices: 10 smartphones at ₹25,000 each and 5 smartphones at ₹30,000 each. If the trader sells al...
The cost price and the marked price of a book have a ratio of 5:7. The book is sold at a profit of Rs. 100, and the marked price exceeds the selling pr...
Tarun bought a Toaster for Rs. 24000. After one year he sold it to Lalit at 10% less of his cost price. Lalit spends extra Rs. 400 for its repair. And ...
If a shopkeeper hikes the purchasing value of an item by 56% and gives it a discount of 56% on the face value for selling it, then know the total percen...
Two cycles were sold at 1499 Rs each. First was sold at 25% profit and second at 20% loss. Find the overall profit or loss.
The price of an article marked at 30% above cost price is sold at a profit of 25%. If it were to be sold at a discount of 25%, ind the percentage decrea...
When a lamp and a table are sold at 10% profit and 25% profit, respectively, the seller earns Rs. 30 more in comparison when they are sold by interchang...
What will be the percentage profit after selling an article at a certain price if there is a loss of 30% if the article is sold at 1/4th of t...
When a shopkeeper bought an article and marked it at Rs. 300. By selling the article at a discount of 10%, he earns a profit of 2...
A dishonest dealer professes to sell his goods at cost price, but he uses a weight of 990 gm for the kg weight. Find his gain per cent.
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