Explanation: Charles Darwin formulated the theory of natural selection and published it in the book "On the Origin of Species" in 1859, which revolutionized our understanding of evolution.
The cost price of a refrigerator and a washing machine is Rs. 50,000 and Rs. 90,000, respectively. The shopkeeper sold the washing machine and the refri...
A person buys 12 eggs for Rs.15 and sells them at 10 for Rs14. What does he gain or loss%?
A shopkeeper mixes 80 liters of milk at ₹30 per liter with 60 liters of water. He sells the mixture at ₹25 per liter. Find the profit or loss percen...
A shirt is marked 25% above the cost price and sold after a discount of Rs.114 at Rs.411. Find the cost price of the shirt.
When a shopkeeper sells an item A for Rs.52,800, he incurred a loss of 45%. If he sells another item B of same cost price in order to recover the loss i...
A and B started a business with investments in the ratio 11:10 respectively. After 10 months, C joined them with an investment 40% more than the investm...
The profit earned after selling an article for Rs.1643 is the same as loss incurred after selling the article for Rs.1121. What is the cost price of the...
A jewel was sold passing through 3 hands and overall, its price is raised by 60%. The first seller earns 15% profit, and the second seller earns 20% pro...
A shopkeeper bought 1200 units of a product at ₹25 per unit and sold them at ₹35 per unit. After selling 40% of the total units, he increased the se...
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 ...
