Question
Present age of A is 50% more than that of B. Present age
of C, who is 6 years older than B, is 24 years. After how many years from now, ratio of ages of A to B will become 11:8?Solution
ATQ, Present age of B = 24 - 6 = 18 years
Present age of A = 1.5 × 18 = 27 years
Let the required time be T years.
So, (27 + T) : (18 + T) = 11 : 8
Or, 8 × (27 + T) = 11 × (18 + T)
Or, 216 + 8T = 198 + 11T
Or, 3T = 18
Or, T = 6
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