Who discovered the antibiotic streptomycin, used to treat TB?
Selman Waksman, a noted biochemist and microbiologist, discovered streptomycin. This antibiotic was the first effective treatment for tuberculosis, significantly impacting public health.
Article ‘P’, if sold at a profit of 20% earns a profit of Rs. 500. If article ‘P’ is marked 40% above its cost price and then sold after offerin...
A garment company declared 17% discount for wholesale buyers. Ms. Diksha, a wholeseller bought garments from the company for Rs.1660 after getting disc...
A shopkeeper sold an article at a discount of 15%. If he had given a discount of 9.5% in place of 15%, then he would have earned Rs. 110 more. If the co...
By selling 10 candles a person gets a profit of the selling price of 3 pens whereas by selling 10 pens he incurs a loss of the selling price of 4 candle...
A shopkeeper marked his article 40% above its cost price and offered a discount of 30%. If cost price of the article is Rs. 750, then find profit or los...
Raju purchased 20 dozen bananas at ₹40 per dozen. He sold 8 dozen of it at 10% profit and the remaining 12 dozen at 20% profit. What is his profit% in...
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...
The cost price of article A and B is Rs. ‘X’ and Rs. (X + 550), respectively. Article A is sold at 20% profit while article B is sold at 10%...
Seema sold a laptop at a profit of 15%. If she had bought it at 10% less and sold it for ₹ 2,100 less, she would have gained 20%. What was the cost p...
After getting two successive discounts, Seema got a shirt at ₹153, for which the marked price was ₹200. If the second discount was 15%, the first d...
