Number Series Quiz
Directions: What will come in place of question mark (?) in the following series?
TIME ELAPSED
00:00
SCORE
0/10
QUESTION
1/10
Question 31
11 12 39 164 507 ?
Answer: D. 1236
Explanation:
Pattern: Add cubes of consecutive odd numbers starting from 1.
11 + 1³ = 12
12 + 3³ = 39
39 + 5³ = 164
164 + 7³ = 507
507 + 9³ = 1236
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