Question:
Find the missing term in the series:
4.5, 8.5, ?, 14.5, 16.5
श्रृंखला में लुप्त पद ज्ञात कीजिए:
4.5, 8.5, ?, 14.5, 16.5
Options:
- 10
- 10.5
- 11
- 11.5
- 10
- 10.5
- 11
- 11.5
Correct Answer: b)
Explanation:
Alternating pattern of differences (+4, +2, +4, +2):
\(4.5 + 4 = 8.5\)
\(8.5 + 2 = 10.5\)
\(10.5 + 4 = 14.5\)
\(14.5 + 2 = 16.5\).
एकांतर अंतर पैटर्न (+4, +2, +4, +2):
4.5 + 4 = 8.5
8.5 + 2 = 10.5
10.5 + 4 = 14.5
14.5 + 2 = 16.5।