PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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5. Percentage: Important points to remember

To convert a fraction into a we multiply the by $100$ .
To convert a into a , we write it as a and multiply it by $100$ .
To convert a decimal into a percent, we shift the decimal point to the or multiply that by $100$ .
To convert a into a , we remove the percent sign( $\%$ ) and divide it by $100$ .
To convert a into a we remove the percent sign( $\%$ ) and form a with the remaining number as the first term and $100$ as the second term.
To convert a into a , we remove the sign( $\%$ ) and shift the decimal points two places to the left.
To express $x$ as a percentage of $y$ ; percentage $=$ $[\frac{x}{y} \times 100] %$ .
If $x$ of a quantity is $y$ , then Whole quantity $=$ $[\frac{y}{x} \times 100] %$ .

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