A very important topic and part of all numerical ability tests is the topic of ALLIGATIONS AND MIXTURES.....one important problem is discussed in this video through a very easy method.....watch and learn how to solve it in less than 10 seconds.....for more such informative short tricks, keep visiting:
muxy.net/www.chat.irish/channel/UCXJhrvWgd1v3jb8X1SZfcOg
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