Latest IBPS Aptitude Question SOLUTION: The average age of a father,mother and son was 42 years when the son got married.One year after marriage a baby was to the son and his wife.Five years later the average age of the

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(#M40158230) IBPS Numerical Ability question Ages Keep an EYE

The average age of a father,mother and son was 42 years when the son got married.One year after marriage a baby was to the son and his wife.Five years later the average age of the family was caluculated to be 36 years.what was the age of the daughter-in-law at the time of marriage?

1)26years 2)25years 3)27years 4)23years 5)22years

Asked In IBPS Idemakanti Madhuri (7 years ago)

Solved Devendra Marghade Read Solution (2)

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Devendra Marghade  (7 years ago) Best Solution

2) 25 years

Let the present age of father=F, mother=M, son=S, Daughter-in-law=D, then
Total age at the time of marriage of son =3*42 + D = (126+D) years
Total age at the birth of grandson= (126+D)+ 4 = D+130 years
Total age after 5 years of all 5 persons = (D+130)+25 = D+155 = 5*36 years
=> D = 180 - 155 = 25 years

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mansi  (6 years ago)

a+b+c=126
(a+6)+(b+6)+(c+6)+(d+6)+5=180
a+b+c+d=151
d=151-126=25 year

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