Question
Who is known for developing the first successful
incandescent light bulb?Solution
Thomas Edison is renowned for his invention of the first practical and commercially viable incandescent light bulb. Edison's innovation involved using a carbonized bamboo filament that could emit light for extended periods. This invention marked a significant advancement in lighting technology and had a profound impact on society by making indoor lighting more accessible and convenient.
A shopkeeper purchased 50 books for Rs. 10,000, with the ratio of the marked price to the cost price set at 2:1. Due to rain damage, one-tenth of the bo...
Vista Publications sold a Notebook for Rs. 150 and made a profit of 20% on its Cost Price (CP) and sold a Diary for Rs. 330 and made a profit of 10% on ...
- A shopkeeper gives a 25% discount on the marked price of an item. In this transaction, he earns a profit of 50%. If the profit earned by the shopkeeper is ...
- Marked price of an article is Rs. 2,500 which is Rs. 900 more than its cost price. If it is sold after giving a discount of ‘d%’ such that there is a p...
- Priya and Neha went to a stationery shop. Priya had 30% of the book's marked price, which was Rs. 60 less than the selling price. Neha had 55% of the marke...
A invested Rs. 2x in a business. After six months B Joined him with Rs. 5x and A double his investment. If at the end of the year’s total profit i...
A dishonest shopkeeper takes 20% more than the indicated weight when he purchases the items from the dealer. He gives 20% less than the indicated weight...
A traveller wants to earn
A toy is sold for Rs. 900 at 50% profit when profit is calculated on selling price. Find the profit% on cost price?
'S' purchased two bags of rice for a total of Rs. 2,000. He sold one of the bags at a profit of 32%, and the other at a loss of 12%. If the overall prof...
![](https://static.ixambee.com/public/images/quesimg/SSC CHSL Tier 1/Quantitative Aptitude/Profit and loss/19568_4371584...</a></li> <li><a href="https://www.ixambee.com/questions/quantitative-aptitude/profit-and-loss/9099" class=)
