Question

In teh given question, select the related number from the given alternatives.
$5$ $:$ $124$ $:$ $:$ $7$ $:$ $?$

• A. $342$
• B. $343$
• C. $248$
• D. $125$

Answer 1

The correct option is A $342$

$5^3-1=125-1=124$

Similarly,

$7^3-1=343-1=342$

Hence, A is the correct option.