The average weight of 5 childeren is 30kg when two more joined, then the
average remains the same .
newly joined child is 25 leg. Find the
the same. The weight of one newly joined child is 25 kg . Find the weight of second one
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Total weight of 24 students =24×35=840kg
Total weight of 24 students =24×35=840kgTotal weight of 25 persons with teacher =25×35.4=885kg.
Total weight of 24 students =24×35=840kgTotal weight of 25 persons with teacher =25×35.4=885kg.∴ Weight of teacher =(885−840)kg=45kg.
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