Question - 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 :
23 - 22 = 8 - 4 = 4
33 - 32 = 27 - 9 = 18
43 - 42 = 64 - 16 = 48
53 - 52 = 125 - 25 = 100
63 - 62 = 216 - 36 = 180
73 - 72 = 343 - 49 = 294
83 - 82 = 512 - 64 = 448