Magnetic Resonance Imaging (MRI) meaning
Magnetic Resonance Imaging (MRI) is a non-invasive medical imaging technique used to create detailed images of the internal structures of the body. It utilizes a powerful magnetic field, radio waves, and a computer to generate high-resolution images of organs, tissues, and the skeletal system. MRI is particularly useful for imaging soft tissues, such as the brain, spinal cord, muscles, and ligaments, and is often used to diagnose a variety of conditions, including tumors, neurological disorders, joint injuries, and cardiovascular diseases. Unlike X-rays or CT scans, MRI does not use ionizing radiation, making it a safer option for repeated imaging studies.
Magnetic Resonance Imaging (MRI) 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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