Ratio & proportion

May 19th, 2015
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8 . Two numbers are in the ratio 5:7. Their difference is 1o. Find their numbers. 12.The population of a town is 1,80,000: out of which males are 1\3 of the whole population .

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MATHEMATICS: Shortcuts inMultiplication, Division, Addition &Subtraction - secrets in mental mathcalculation speed78rate or flag this pageTweet thisBy eternaltreasuresThere are many useful Math techniques, tricks, and secrets that can be valuable in yourday to day work or study. Knowing the

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