A teacher asked his students to find the arithmetic mean of the number – McqOptions

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1.	A teacher asked his students to find the arithmetic mean of the numbers 3, 5, 8, 11, 14, 18, 22, 10, 9 and x. A student found the mean to be 12. What should be the number in place of x?
A.	17
B.	12
C.	13
D.	20
Answer» E.

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