Question

What number is to 12 is 5 is 30 ?
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Answer 1

Answer:

Hence, 12 is to 72 as 5 is to 30.

Explanation:

Let the number be x.

∴12 is to x is equal to 5 is to 30.

⇒

x

12

=

30

5

⇒5x=12×30

⇒x=

5

12×30

⇒x=12×6

⇒x=72

Hence, 12 is to 72