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The average age of 25 men is 28 years. 5 new men of an average age of 25 years joined them. Find the average age of all the men together. |
29.5 years 26.5 years 27.5 years 28.5 years |
27.5 years |
Total age of 25 men = 25 × 28 = 700 years Total age of 5 new men = 5 × 25 = 125 years Total age of 30 men = 700 + 125 = 825 years Average of 30 men = \(\frac{825}{30}\) = 27.5 years |
