reginalove2044 reginalove2044

23-12-2022
Physics

Answered

There are 8 ball M, N, O, P, Q, R, S and T. 7 of them are identical, the 8th i either heavier or lighter. Only an accurate beam balance with 2 pan i available. The reult of 3 weighing i a hown: Which i the odd ball, and i it heavier or lighter?

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