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Multiple Choice Questions

If the average age of father mother amp their 2 sons is 41 years And 5 years ago the ratio of ages o...........

Math and Mental Ability Average

If the average age of father, mother & their 2 sons is 41 years. And 5 years ago, the ratio of ages of father, mother and two sons (elder and younger) was 7 : 4 : 3 : 2. Then find the sum of ages of two sons after 6 years ?

72 yrs

49 yrs

50 yrs

67 yrs

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Explanation:

Let total present age of father, mother & two sons = 41 × 4 = 164 years
Let total ages, 5 years before be 16x
ATQ,
16x = 164 – 20 = 144
x = 9 years
∴ Total age of both sons after 6 years = 9 × 3 + 9 × 2+10 + 12 = 67 years

Hence, option 4 is the correct answer.

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