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QUESTION
Q
6 persons standing in queue with different age group, after two years their average age will be 43 and seventh person...

Solution

Let, sum of the ages of the 6 persons standing in the queue = NAfter 2 years the sum of the ages of the 6 persons standing in the queue is= N + 2(6) = N + 12Given the average age of the 6...

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