Question

Find the value of (?) in the series.

2, 6, 21, 88, ?, ___

• A. 446
• B. 177
• C. 445
• D. 176

Answer 1

Answer:

C. 445

1 x 1 + 1 = 2 2 x 2 + 2 = 6 6 x 3 + 3 = 21 21 x 4 + 4 = 88 88 x 5 + 5 = 445