Select the set in which the numbers are related in the same way as are the numbers of the following set.
(15, 22, 31)Â
From the given,
$$(15, 22, 31)=15 \ \underrightarrow{+7} \ 22 \ \underrightarrow{+9} \ 31$$
Similearly
$$(7, 14, 23)=7 \ \underrightarrow{+7} \ 14 \ \underrightarrow{+9} \ 23$$
Rest of all the options have the different pattern.
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