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Ex 12.3, 8 - The weight of 72 books is 9 kg. What is weight of 40 book


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Ex 12.3, 8 The weight of 72 books is 9 kg. What is the weight of 40 such books?Weight of 72 books = 9 kg Weight of 1 books = (9/72) kg Weight of 40 books = (9/72) × 40 kg = (1/8) × 40 kg = 40/8 kg = 5 kg ∴ 40 such books will weight 5 kg

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.