Question
Which of the following pollutants is not covered under
India’s National Ambient Air Quality Standards (NAAQS)? ÂSolution
Explanation: NAAQS, revised in 2009, set permissible limits for 12 key pollutants including PM 10, PM 2.5, SO₂, NO₂, CO, O₃, lead, ammonia, and benzene. CFCs are regulated under global treaties like the Montreal Protocol , not domestic air-quality norms.
A retailer sells 12 metres of cloth and earns a profit equal to the cost price of 3 metres of cloth. Find the profit percentage.
A seller marked his article 65% above the cost price and sold it after offering two successive discounts of 60% and 25% respectively. In the whole trans...
A trader sold 15 kg of wheat and suffered a loss equal to the selling price of 5 kg of wheat. If the total purchase price was Rs. 480, find the selling ...
A shopkeeper sold an article at the profit of 15% and also while weighing used a weight of 920 gms. in place of 1 kg. Find out his actual total profit%?
The average cost price of two products, Lakme and Fruitjoy, is Rs. 400. These products are sold at profits of 10% and 20%, respectively. If the combined...
A shopkeeper sold an article at a discount of 12%. If he had given a discount of 8% in place of 12%, then he would have earned Rs. 108 more. If the cost...
- A merchant has 2500 kg of sugar. A part of it is sold at 25% profit, and the remaining at 15% profit. If the overall profit percentage is 21%, determine th...
The cost price of two articles is same. One article is sold at 12.5% profit and another at 20% loss. If the selling price of one article is Rs. 390 more...
If the profit is (1/5) of the selling price, what is the profit percentage?
A seller sold an item at a loss of 25%. If he had sold it for Rs. 1,500 more, then he would have earned a profit of 15%. Find the cost price of the item.
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