Select the related word/letter/ number from the given alternatives.
`8:81:: 64:`?

Options

A. 525
B. 625
C. 125
D. 137

Answer

B

Explanation

Expression = `8:81:: 64:` ?
The pattern followed is `= m^(n) : (m+1)^(n+1)`
Eq: `(2)^(3): (3)^(4) = 8:81`
Similarly, `(4)^(3)=64`
and `(4+1)^(3+1)= (5)^(4)= 625`