Question

Out of 20 boys shiksha each of 115 cm height a teacher on may 10 cm and rest of 1m 12 cm the average height of all of them is

Answer 1

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Out of 20 boys, 6 are each of 1 m 15 cm height, 8 are of 1 m 10 cm and rest of 1 m 12 cm. The what is the average height of all of them?

Missing: shiksha ‎115 ‎teacher ‎may

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