Question

2. Find the Harmomic mean of
1÷2 1÷4 1÷6 1÷8 ​

Answer 1

The reciprocals of 1/2, 1/4,1/6 and 1/8 are:

2/1=2, 4/1= 4, 6/1= 6, 8/1= 8

Now add them up:

2+4+6+8= 20

Divide by how many:

Average = 20/4

The reciprocal of that average is our answer:

Harmonic Mean = 4/20 = 1/5 =0.2