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MBA
Banking
SSC
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Quantitative Aptitude
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Logical Reasoning
6Â years, 7Â months ago
a:b=2:3, c:d=4:5, d:e=3:1, a:d=2:5, find ab+cd/BC+de
this is one of a question in cracku ratio test. in the solution, while calculating bc+de, you have divided 25x square/3 and taken LCM. why have u divided it by 3 ?
x-1/x=3findx^4-1/x^4.
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