Should the answer be in percentage while calculating fractional increase in the speed?
Please give the correct answer
Answers
A percentage is a way of expressing a number as a fraction of 100 (per cent meaning “per hundred”). It is denoted using percent sign, “%”. This concept is useful for comparison of fractions as all the fractions are indexed to 100 when converted to percentages. Any percentage can be expressed as a fraction or a decimal fraction and vice versa.
For example, fractions such as 2/5 can be written as 0.8 or 80% and vice versa.
Percentage Value = Fractional Value x 100
Important Percentages Formulas & Concepts
Here are some very important Percentages formulas and concepts to solve various percentages based problems.
1) Percentages Formulas for Percentage increase or decrease
Percentage increase or decrease of a quantity is the percent representation of the ratio of the actual (absolute) increase and decrease to the original quantity.
percentages formulas for percentage increase decrease
Example: If the price of an idly is increased from Rs. 25 to Rs. 35, the percentage increase in the price can be computed as Percentage change = (10/25)*100 = 40%
2) Percentages Formulas for Multiplication Factor
Whenever there is any percentage increase or decrease in a quantity, instead of calculating the actual increase/decrease and then adding to/subtracting from the original quantity, we can directly compute the new quantity by using the concept of the multiplication factor.
For every percentage increase or decrease, a number called multiplication factor can be calculated which when multiplied by the original quantity will give the increased quantity.
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No, the answer may be/may not be in percentage.