Question

Choose appropriate number for the fourth place.

$36:64::81:?$

• A. $25$
• B. $16$
• C. $121$
• D. $49$

Answer 1

The correct option is C $121$

We have,

$36:64::81:?$

$6^2:8^2::9^2:?$

$6^2:8^2::9^2:{11}^2$

$36:64::81:121$

Hence, this is the answer.