Question
A is younger than B by 4 years. If the ratio of A and B
ages is 9:10 respectively, then find the age of A.Solution
If B’s age be x years, then A’s age be (x - 4) years. According to question, => (x – 4)/x = 9/10 => 10x – 40 = 9x => x = 40 Therefore A's age = 40 – 4 = 36 years
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