Which cells help in immunity development?
Helper T cells play a crucial role in the immune system by activating other immune cells, such as cytotoxic T cells and B cells, to mount an immune response. They help recognize foreign pathogens and coordinate the body's defense against infections.
31 kg of rice ‘A is purchased for Rs. 7/kg while 28 kg of rice ‘B’ is purchased for Rs. 8/kg. If the mixture of the both types of rice is sold at ...
A toy is sold for Rs. 900 at 50% profit when profit is calculated on selling price. Find the profit% on cost price?
A shopkeeper purchased an article for Rs. ‘a’ and marked it 150% above its cost price and sold it after giving two successive discounts of 250 and 2...
A bought a laptop for Rs.16000. He spent 22% of the amount that he had paid for buying it for its repair. He then sold the laptop to B and earned a prof...
A man buys cashew nuts at Rs.600 per kg and sells them at Rs.15 per 50 grams. What is his profit/loss percentage?
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...
The cost price of two articles is same. One article is sold at 20% profit and another at 10% loss. If the selling price of one article is Rs. 999 more t...
A businessman sold 2/5 of his stock at a gain of 25% and the remaining at a gain of 20%. The overall percentage of gain is
...A shopkeeper planned to sell 200 shirts each priced at Rs 2,240 in a particular year. Each shirt, if it had been sold at the mentioned price would have ...
By selling a bike for Rs. 45000, Abhishek incurs a loss of Rs. 5000. Find the loss %.
