If \( a, b, c, d, e, f \) are A.M.'s between 2 and 12 , then \( a+b+c+d+e+f \) is equal to (A) 1...

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If \( a, b, c, d, e, f \) are A.M.'s between 2 and 12 , then \( a+b+c+d+e+f \) is equal to
(A) 14
(B) 42
(C) 84
(D) none of these
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