Question

In the given question, select the related number from the given alternatives.
$42$ $:$ $56$ $:$ $:$ $132$ $:$ $?$

• A. $156$
• B. $145$
• C. $110$
• D. $240$

Answer 1

Answer: (A)

$156$

Take first two numbers,

$42:56$ we can write like this
$6\times 7$ ( two consecutive numbers )
$7\times 8$ ( next two consecutive numbers )
Similarly,
$132=11\times 12$ ( two consecutive numbers )
We can easily now write that next number,

i.e. $12\times 13=156$