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Question 47
The sum of the ages of two cousins is 35. Ten years ago, the ratio of their ages was 2 : 1. What are their present ages?
Solution
Sum of the C1+ C2Â = 35
10Â years ago
$$C1-10 +C2-10 = 2X + X$$
$$35-20 = 3X$$
x = 5
age before 10 years is 2X , X = 10 ,5
present age is = 10+10 =20
           = 5 + 10 =15
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