Question

In the given question, select the related number from the given alternatives.
$30$ $:$ $130$ $:$ $:$ $?$ $:$ $?$

• A. $20$ $:$ $120$
• B. $37$ $:$ $210$
• C. $42$ $:$ $222$
• D. $49$ $:$ $350$

Answer 1

The correct option is A $20$ $:$ $120$

$30=5\times 6$

$130=5\times 26$

Difference between $26$ and $6=20$

Similarly,

$20=5\times 4$

$120=5\times 24$

Therefore, Difference between $24$ and $4=20$

Hence, A is the correct option.