Sequence… | NUST Entrance Test Mathematics

What is the difference between the arithmetic and geometric mean of 5 and 7?

Difficulty: Easy

A:

0.8

B:

0.08

C:

0.008

D:

None of these

What is the sum of the series $8+4+2+\space ... \space +\frac{1}{32}$

Difficulty: Easy

A:

\frac{495}{32}

B:

\frac{511}{32}

C:

\frac{625}{32}

D:

None of these

The series $1+1+1+1+\space...$ is

Difficulty: Easy

A:

Convergent

B:

Divergent

C:

Both convergent and divergent

D:

Neither convergent nor divergent

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