Question

Find the missing term

$121:12::25:?$

• A. $1$
• B. $2$
• C. $6$
• D. $7$
• E. $4$

Answer 1

Answer: (C)

$6$

General term $n^2:n+1$

i.e. ${11}^2:11+1=121:12$
Similarly, as $25=5^2$ then the missing term will be $5+1=6$
Hence, option C is the correct answer.