If 2x+2y=7z, then what is the average of x, y and z ?
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Job Solution Exim Bank Ltd Exim Bank Ltd - Officer - 03.04.2009 গণিত
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If mx+ny=12my, then x/y+n/m= ?

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A class of 50 girls and 70 boys sponsored a party. If 40% of the girls and 50% of the boys attended the party, approximately what percent of the class attended?

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