Correct option is B
Given series:
2, 15, 4, 12, 6, 7, ?, ?
Logic: Split into two alternate sequences:
Odd positions (1st, 3rd, 5th, 7th):
2, 4, 6, ?
Pattern: +2
So next = 8
2, 4, 6, ?
Pattern: +2
So next = 8
Even positions (2nd, 4th, 6th, 8th):
15, 12, 7, ?
15, 12, 7, ?
Observe pattern:
15 → 12 (−3)
12 → 7 (−5)
decreasing by odd numbers: −3, −5, −7
15 → 12 (−3)
12 → 7 (−5)
decreasing by odd numbers: −3, −5, −7
So next:
7 − 7 = 0
7 − 7 = 0
Final Answer:
B — 8, 0