Mechanical Engineering Exam > Mechanical Engineering Videos > General Aptitude for GATE > Problems on Percentages
Problems on Percentages Video Lecture | General Aptitude for GATE - Mechanical Engineering
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198 videos|165 docs|152 tests
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FAQs on Problems on Percentages Video Lecture - General Aptitude for GATE - Mechanical Engineering
| 1. What is a percentage? |  |
Ans. A percentage is a way of expressing a number as a fraction of 100. It is often denoted by the symbol "%".
| 2. How do you calculate a percentage of a number? | |
Ans. To calculate a percentage of a number, you multiply the number by the percentage and then divide by 100. For example, to find 20% of 50, you would calculate 50 * 20/100 = 10.
| 3. What is the formula for calculating percentage increase or decrease? | |
Ans. The formula for calculating percentage increase or decrease is (final value - initial value) / initial value * 100. If the result is positive, it is a percentage increase, and if it is negative, it is a percentage decrease.
| 4. How can percentages be used in real-life situations? | |
Ans. Percentages are commonly used in real-life situations such as calculating discounts on items, determining tax amounts, understanding interest rates on loans, and analyzing changes in quantities over time.
| 5. Can percentages be converted to fractions or decimals? | |
Ans. Yes, percentages can be converted to fractions by dividing the percentage by 100 and simplifying the fraction. They can also be converted to decimals by dividing the percentage by 100.
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Dec 18, 2024 Last updated |
Video Description: Problems on Percentages for Mechanical Engineering 2024 is part of General Aptitude for GATE preparation.
The notes and questions for Problems on Percentages have been prepared according to the Mechanical Engineering exam syllabus.
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Video Lecture & Questions for Problems on Percentages Video Lecture | General Aptitude for GATE - Mechanical Engineering - Mechanical Engineering full syllabus preparation | Free video for Mechanical Engineering exam to prepare for General Aptitude for GATE.
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