CBSE Class 9 Maths Predicting What Comes Next: Exploring Sequences and Progressions (Class 9 NCERT New) Quiz 4

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1. Find the 25th term of the sequence if a1 = 5 and d = 0.5

A 18 B 17 C 15 D 14

2. What kind of sequence is illustrated below? 400, 200, 100, 50, 25, ...

A Arithmetic B Geometric C Neither

3. What is the common ratio for the sequence?28, 14, 7, 3.5...

A 2 B 1/2 C -14 D -7

4. Which of the following is an example of an arithmetic sequence?

A 22, 24, 27, 29... B 15, 30, 45, 55... C 12, 36, 60, 84... D 1, 100, 200, 300

5. What is the 8th term of the sequence 6, 11, 16, 21...

A 31 B 36 C 46 D 41

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