Question

Find the missing term by identifying the relation among first pair

$3:11::7:?$

• A. $22$
• B. $29$
• C. $18$
• D. $51$
• E. $21$

Answer 1

Answer: (D)

$51$

First term is $3$, second is $3^2+2$.
Similarly, here first term is $7$, so second should be $7^2+2=51$.