Yellow Fever meaning

A viral infection spread by a particular species of mosquito, most common in areas of Africa and South America.

Yellow fever is a viral infection spread by a particular species of mosquito, most common in areas of Africa and South America. Symptoms range from mild, flu-like symptoms to severe illness, including high fever, jaundice, bleeding, and organ failure. Vaccination is the most effective way to prevent yellow fever, and travelers to endemic areas are often required to be vaccinated.

Yellow Fever meaning: Explanation, Formulae and Practice

These topics connect maths with money decisions. Always identify cost price, selling price, principal, rate and time before using a formula.

Yellow Fever meaning visual revision aid

Practical Formulae

Profit = selling price - cost price.
Loss = cost price - selling price.
Profit percentage = (profit / cost price) x 100.
Simple interest = (principal x rate x time) / 100.
Amount = principal + interest.

Solved Example

Question: An item is bought for Rs. 500 and sold for Rs. 575. Find the profit percentage.

Working: Profit = 575 - 500 = 75. Profit percentage = (75 / 500) x 100.

Result: Profit percentage = 15%.

Unanswered Practice Questions

Try these yourself before checking notes or calculators.

Find the loss percentage when CP is Rs. 800 and SP is Rs. 720.
Find simple interest on Rs. 5,000 at 8% per year for 2 years.
A shopkeeper marks an item at Rs. 1,200 and gives 10% discount. Find the selling price.

Connected SaralStudy Resources

More Glossary Continue with more pages from this section. NCERT Solutions Read textbook answers related to Yellow Fever meaning. Important Formulas Revise formulas, units and examples before solving problems. Online Calculators Check calculations after learning the method. MCQ Practice Test the concept with objective questions. Sample Papers Practise board-style questions and marking patterns. Previous Year Papers Apply this topic in real exam papers.

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Yellow Fever meaning