The average height of 25 boys is 1.4 m. When 5 boys leave the group, then the average height increased by 0.15 m. What is the average height of the 5 boys who leave ?

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Mathematics

asked Sep 07, 2023 at 09:12

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Answer 1

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Sum of height of the 5 boys = (25 × 1.4 - 20 × 1.55) m = 4 m ∴ Required average = (4/5) = 0.8 m

answered Sep 07, 2023 at 09:12

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Answer 2

Sum of height of the 5 boys = (25 × 1.4 - 20 × 1.55) m = 4 m ∴ Required average = (4/5) = 0.8 m

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