Kyphosis meaning
Kyphosis is a spinal disorder characterized by an excessive outward curvature of the spine, resulting in a rounded or hunched back appearance. This condition can be congenital (present at birth), develop during adolescence (Scheuermann's disease), or occur due to degenerative changes, osteoporosis, fractures, or other spinal conditions in adults. Symptoms of kyphosis may include back pain, stiffness, and in severe cases, difficulty breathing due to reduced space in the chest cavity. Treatment depends on the severity and underlying cause and may include physical therapy, pain management, bracing, and in severe cases, surgical correction to improve spinal alignment and alleviate symptoms.
Kyphosis 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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