Question
The ratio of the ages of two sisters is 7:5, respectively.
If the difference between their ages is 6 years, then find the age of the younger sister.Solution
ATQ,
Let the ages of the sisters be '7x' years and '5x' years, respectively.
ATQ:
'7x' - '5x' = 6
Or, 2x = 6
Or, 'x' = 3
Therefore, the age of the younger sister = 5x = 5 × 3 = 15 years
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