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The mean age of a combined group ofmen and women is 25 years. If mean ageof men is 26 and that of women is 21,then the percentage of men and women inthe group is |
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Answer» If the number of men=m and women=w, Total age of men & women=26m+21wGiven,Combined Mean Age=25= 26m+21w/(m+w)25m+25w=26m+21w -->4w=m or m/w=4/1Therefore % of men=80 and women=20 |
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