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

$20:120$

Explanation of the correct option.

Identify the pattern.

$30$ can be written as:

$30=6\times 5$

$130$ can be written as:

$130=26\times 5$

we can see that,

$26-6=20$

Option $A$: $20:120$

$20$ can be written as:

$20=4\times 5$

$120$ can be written as:

$120=24\times 5$

and. $24-4=20$

We can see that option $A$ follows the given pattern.

Hence, option $A$ is the correct answer.

Explanation of the incorrect option.

Option $B$: $37:210$

$37$ is not divisible by $5$.

It does not follow the pattern.

Hence, option $B$ is incorrect.

Option $C:42:222$

$42$ and $222$ both are not divisible by $5$.

It does not follow the pattern.

Hence, option $C$ is incorrect.

Option $D:49:350$

$49$ is not divisible by $5$.

It does not follow the pattern.

Hence, option $D$ is incorrect.

Hence option $A$ is the correct option.