Multiple choice

The average age of 6 persons in a committee is increased by 2 years, when two men aged 55 years and 60 years are substituted by two women. The average age of these two women is

  1. 127 years

  2. 103 years

  3. 63.5 years

  4. 51.5 years
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Average increased by 2 years for 6 people means total age increased by 12 years. The women must be 12 years older than the men they replaced, so their combined age is 55+60+12=127. Average is 127/2 = 63.5 years.

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