Question
Who is credited with the discovery of
penicillin?Solution
Alexander Fleming discovered penicillin in 1928. It was the first widely used antibiotic and revolutionized medicine.
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A and B started a retail store with initial investments in the ratio 5:6 and their annual profits were in the ratio 2:3. If A invested the money for 8 m...
X started a business with Rs.12000. After 6 months, Y joined with x% of X’s capital. At the end of the year, Y’s share in the Rs.36000 total profit ...
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