Question

Find the analogous pair for $(9,81,729)$ from the given alternatives.

• A. $(3,9,30)$
• B. $(7,49,343)$
• C. $(12,144,221)$
• D. $(6,36,92)$

Answer 1

The correct option is B $(7,49,343)$

Let us find the Relation between the numbers of the set $(9,81,729)$.

$81=9^2$

$729=9^3$

The relation is $9^1,9^2,9^3$.

The similar type of relation is shown by option B $(7,49,343)$.

$49=7^2$

$343=7^3$

Thus the correct answer is $(7^1,7^2,7^3)$.