pushpa129 pushpa129

20-03-2019
Mathematics

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The mean of a, b, c, and d is 9 and the mean of a, b, c,
d, e and f is 12. Find the mean of e and f.

With Step by step explanation

Respuesta :

janak1610 janak1610

30-03-2019

mean of e and f is 18

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