Question

What number will replace the ?

$1,4,27,16,?,36,343$

• A. $25$
• B. $87$
• C. $120$
• D. $125$

Answer 1

The correct option is D $125$

Clearly, the given series consists of cubes of odd numbers and squares of even numbers, i.e, $1^3$, $2^2$, $3^3$, $4^2$, ............
So, missing term $=5^3=125$.
Hence, the answer is (D).