[5] 8, 9, 8, 7, 10, 9, 6, 11, 10, ?, 12

Easy Tutorial

For Competitive Exams

☰

Aptitude

TNPSC G4

10th CBSE Maths

Home
Science QA
Series Completion Prepare Q & A
Q:29

8, 9, 8, 7, 10, 9, 6, 11, 10, ?, 12

Explanation:
The given sequence is a combination of three series :I. 1st, 4th, 7th, 10th terms i.e. 8, 7, 6, ?II. 2nd, 5th, 8th, 11th terms i.e. 9, 10, 11, 12
III. 3rd, 6th, 9th terms i.e. 8, 9, 10 The pattern in I is – 1.
So, missing term = 6 – 1 = 5.

Additional Questions

3, 7, 15, ?, 63, 127	Answer
121, 143, 165, 186, 209	Answer
6, 15, 35, 77, 165, 221	Answer
8, 13, 21, 32, 47, 63, 83	Answer
1, 2, 4, 8, 16, 32, 64, 96	Answer
3, 4, 10, 32, 136, 685, 4116	Answer
105, 85, 60, 30, 0, – 45, – 90	Answer
2, 5, 10, 17, 26, 37, 50, 64	Answer
125, 126, 124, 127, 123, 129	Answer
2, 5, 10, 50, 500, 5000	Answer

Share with Friends