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The sum of ages of 4 members of a family 5 years ago was 94 years. Today when the daughter has been married off and replaced by a daughter-in-law the sum of...
The sum of ages of 4 members of a family 5 years ago was 94 years. Today when the daughter has been married off and replaced by a daughter-in-law the sum of their ages is 92. Assuming that there is no change in family structure and all are alive, what is the difference in the age of daughter and daughter-in-law ?
A
22 years
B
11 years
C
25 years
D
19 years
E
15 years
A
22 years
B
11 years
C
25 years
D
19 years
E
15 years
Solution
Sum of the present ages of the family including daughter(excluding daughter-in-law) is
= 94 +20 =114
Sum of the present...
Sum of the present ages of the family including daughter(excluding daughter-in-law) is
= 94 +20 =114
Sum of the present ages of the family including daughter-in-law(excluding daughter) is = 92
Difference in the age of daughter and daughter-in-law is
= 114 − 92
= 22 years
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