Question

In the given question, select the related number from the given alternatives.
$72$ $:$ $18$ $:$ $:$ $56$ $:$ $?$

• A. $24$
• B. $22$
• C. $20$
• D. $16$

Answer 1

The correct option is B $22$

Here, the pattern is,

$72=7+2=9$,

$9\times 2=18.$

Similarly,

$56=5+6=11$,

$11\times 2=22.$

Hence, the correct option is B.