Question
Average age of company A is 21 years and average age of
both companies A and B is 13 years. If the ratio of number of employees in company A and B is 3:4, then what is the average age of company B?Solution
Average of Company B = (13 × 7 - 3 × 21)/4 => (91 - 63)/4 = 7 years
More Average Questions
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What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
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