SAT Math Practice Question #27862 - SATify | SATify

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SAT Math Practice Question #27862 - SATify | SATify

#27862

average

arithmetic

easy

60 sec

The harmonic mean of a set of non-zero numbers is the reciprocal of the average of the reciprocals of the numbers. What is the harmonic mean of $1, 3, 6$ ?

A.

$1$

B.

$2$

C.

$3$

D.

$4$

E.

$5$