Numerical Analogies

Find the mathematical rule linking number pairs (A : B :: C : ?) and compute the corresponding value.

Numerical analogy test

Step 1 of 2

You need to find the relation between one (or more) pair(s) of numbers and apply the same rule(s) to another number.

An example is shown in the following picture.

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Step 2 of 2

Every number on the right is the square root of the number on the left. 225=15*15 and hence option E is the answer.