Find the missing number in the series?

4, 18, ?, 100, 180, 294, 448

A) 48	B) 50
C) 58	D) 60

Answer: A) 48

Explanation:

Take a Look at this series :

$2^{3}$ - $2^{2}$ = 8 - 4 = 4

$3^{3}$ - $3^{2}$ = 27 - 9 = 18

$4^{3}$ - $4^{2}$ = 64 - 16 = 48

$5^{3}$ - $5^{2}$ = 125 - 25 = 100

$6^{3}$ - $6^{2}$ = 216 - 36 = 180

$7^{3}$ - $7^{2}$ = 343 - 49 = 294

$8^{3}$ - $8^{2}$ = 512 - 64 = 448

Subject: Number Series