WEIGHT of 12 BOYS and GIRLS is 1080 kg.Average weight of boys is 50FORMULA USED:Weighted avg = (n1 × average of n1 quantity + n2 × average of n2 quantity + ----)/(n1 + n2 +------)CALCULATION:Total weight of boys and girls = 1080 kgAverage weight of boys = 50 kgLet avg weight of girls be y50 × 12 + 8 × y = 1080⇒ 8y = 1080 - 600⇒ 8y = 480 ⇒ y = 60 ∴ Average weight of girls is 60 kg

"> WEIGHT of 12 BOYS and GIRLS is 1080 kg.Average weight of boys is 50FORMULA USED:Weighted avg = (n1 × average of n1 quantity + n2 × average of n2 quantity + ----)/(n1 + n2 +------)CALCULATION:Total weight of boys and girls = 1080 kgAverage weight of boys = 50 kgLet avg weight of girls be y50 × 12 + 8 × y = 1080⇒ 8y = 1080 - 600⇒ 8y = 480 ⇒ y = 60 ∴ Average weight of girls is 60 kg

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The total weight of 12 boys and 8 girls is 1080 kg. If the average weight of boys is 50 kg, then what will be average weight of girls?

Current Affairs General Awareness in Current Affairs . 7 months ago

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GIVEN:Total WEIGHT of 12 BOYS and GIRLS is 1080 kg.Average weight of boys is 50FORMULA USED:Weighted avg = (n1 × average of n1 quantity + n2 × average of n2 quantity + ----)/(n1 + n2 +------)CALCULATION:Total weight of boys and girls = 1080 kgAverage weight of boys = 50 kgLet avg weight of girls be y50 × 12 + 8 × y = 1080⇒ 8y = 1080 - 600⇒ 8y = 480 ⇒ y = 60 ∴ Average weight of girls is 60 kg

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Posted on 08 Nov 2024, this text provides information on Current Affairs related to General Awareness in Current Affairs. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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