The average age of 6 persons in a committee is increased by 3 years when two men aged 32 years and 5...........

Quantitative Aptitude (CDS) Average

The average age of 6 persons in a committee is increased by 3 years when two men aged 32 years and 51 years are substituted by two women. Find the average age of the two women?

51 kg

44 kg

50.5 kg

40 kg

Explanation:

let average age of 6 person is x
total age is 6x,
two men age=32+51
=83
remaining total age =6x-83
let two woman age is =w
average age increased by 3
x+3 =( 6x-83+w)/6
6x+18=6x-83+w
w=83+18
=101
average age of two woman is =101/2
=50.5 kg

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