Find the missing number in the series? 4, 18, ?, 100, 180, 294, 448

Question

Find the missing number in the series?

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

A. 50

B. 58

C. 60

D. 48

Answer: D. 48

Solution:

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

Hence, the answer is 48.

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