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A girl is 28 years younger than her father. The sum of their ages is 50 years. Find the ages of the girl and her father.

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11, 39

39, 11

12, 40

40, 12

answer is A.

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Detailed Solution

Concept- Linear equation
Let father age be ‘x’
Age of girl =

x – 28

According to question, we have

x + x - 28 = 50

2 x - 28 = 50

2 x = 78

x = 39

so, age of girl be

x – 28 = 39 - 28 = 11

Hence, the correct answer is option 1.

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