Zoster meaning
Zoster, another term for shingles, is a reactivation of the chickenpox virus (varicella-zoster virus) in the body, causing a painful rash. Shingles typically occurs in older adults or individuals with weakened immune systems. Symptoms include a painful, blistering rash that usually appears on one side of the body, often accompanied by fever and fatigue. Treatment involves antiviral medications, pain relief, and, in some cases, corticosteroids to reduce inflammation.
Zoster 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.
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.
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