Question
The age of A is 20% less than that of B. The age of B is
25 years more than the average age of his two friends whose total age is 30 years. Find the difference of age of A and B?Solution
B is 25 years more than the average age of his two friends whose total age is 30 years. Present age of B = 25 + (30/2) = 40 years Present age of A = (4/5) × 40 = 32 years Required difference = 40 – 32 = 8 years
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