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Plz solve this no. this question plz .... |
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Answer» Answer: 15 yrs Step-by-step EXPLANATION: Here , The AVERAGE age of 40 boys = 16 years. Total age of 40 boys initially = 16 × 40 = 640 years Age of REPLACED boy = 17 years Total age of 39 boys = 640 – 17 = 623 years New total age = 40 × 15.95 = 638 years ∴ Age of new boy = 638 – 623 = 15 years |
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