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Total of the ages of A, B ahd C at present is 90 years. Ten years ago, the ratio of their ages was 1: 2: 3. What is the age of B at present
- A30 years
- B31 years
- C32 years
- D33 years
Correct answer: A
Discussion 1
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CCommunity
30 years
Let their ages 10 years ago is x, 2x and 3x years.
10 + 2x + 10 + 3x + 10 = 90
hence x= 10
B's present age = (2x + 10) =30 years
Let their ages 10 years ago is x, 2x and 3x years.
10 + 2x + 10 + 3x + 10 = 90
hence x= 10
B's present age = (2x + 10) =30 years