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The average age of 8 persons in a committee is increased by 2 years. When two men aged 35 years and 45 years are substituted by two women. Find the average age of these two women.

Solution

Increased age of committee $=2 \times 8=16$ years

Total age of two men $=35+45=80$ years

Total age of new women

$$=80+16=96 \text { years }$$

$\therefore \quad$ Required average $=\frac{96}{2}$

$=48$ yrs; Ans.

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