Question

Choose appropriate number for fourth place
5 : 125 :: 9 : ?

• A. 792
• B. 972
• C. 279
• D. 729

Answer 1

The correct option is D 729

Second number is a cube of a first number.

$5^3=125$
Similarly,
$9^3=729$

$\therefore$ Correct answer is option $D$.