Start learning 50% faster. Sign in now
Biomagnification refers to the increase in concentration of substances like pesticides or other chemicals as they move up the food chain. Carbon sequestration is crucial for mitigating the amount of CO₂ in the atmosphere, a significant factor in climate change. The ecological footprint measures how much land and water area a human population requires to produce the resource it consumes and to absorb its wastes. Albedo is a critical concept in climatology and environmental management, affecting Earth’s temperature by influencing the amount of sunlight that is absorbed versus reflected by surfaces.
A shopkeeper purchases rice of two varieties ‘A’ and ‘B’ at Rs. 24 per kg and Rs. 18 per kg respectively. He mixes 1 kg of variety ‘A’ rice ...
Rajendra purchased a bike for Rs 72,500/- and a laptop for Rs 32,000/-. He sold the bike at a profit of 20% and the laptop at a loss of 25%. Find his ov...
An item is sold at 70% of its marked price, resulting in a 40% profit. Determine the ratio of the marked price to the cost price for this item.
The difference between the selling price on a discount of 32% and two successive discounts of 20% each on a certain bill is ₹25. Find the actual amoun...
A merchant initially raised the price of a product by 25% and subsequently by an additional 20%. After providing a 24% discount on the final price, he g...
Meera purchased 10 dozens of apples, which cost Rs. 90 per dozen. She sold 6 dozens of apples at Rs. 108 per dozen. At what rate per dozen did she sell ...
An anicle was sold for ₹1,215 after giving a discount of 19%. If a discount of 17.5% is given, then for how much (in ₹) should the article be sold?
Anaya purchased a dress for Rs. 3000 and paid extra for tailoring. She marked it up by 25%, gave a Rs. 360 discount, and earned a 15% profit. Find the t...
A Shopkeeper gives 5 articles free on the purchase of every 15 articles. He also allow a discount of 20% to customer and still earn 20% profit. Find the...
A, B, and C started business by investing Rs 2500, Rs 3000, Rs 4000. After 8 months B decreased his investment by Rs. _________. If the annual profit re...