CBSE Class 9 Maths Predicting What Comes Next: Exploring Sequences and Progressions (Class 9 NCERT New) Quiz 1

1. Find the 10th term of each of the following arithmetic sequences:19, 25, 31, 37, ....

A 73 B 67 C 81 D 89

2. Find the 10th term of each of the following arithmetic sequences:101, 97, 93, 89, ....

A 70 B 61 C 65 D 75

3. Find the 10th term of each of the following arithmetic sequences:8, 9 1⁄2, 11, 12 1⁄2, ....

A 22 B 19.5 C 20 D 21.5

4. Find the 15th term of each of the following arithmetic sequences:31, 36, 41, 46, ....

A 101 B 96 C 86 D 111

5. Find the 15th term of each of the following arithmetic sequences:5, -3, -11, -19, ....

A -99 B -85 C -73 D -107

6. Find the 15th term of each of the following arithmetic sequences:a, a+d, a+2d, a+3d, ....

A a + 14d B a + 15d C a + 13d D a + 12d

7. Consider the sequence 6, 17, 28, 39, 50, ... Is the sequence arithmetic?

A YES B NO

8. Consider the sequence 6, 17, 28, 39, 50, ...Find the formula for its general term

A 10n - 4 B 12n - 6 C 9n - 3 D 11n - 5

9. Consider the sequence 6, 17, 28, 39, 50, ...Find its 50th term

A 450 B 600 C 500 D 545

10. Consider the sequence 6, 17, 28, 39, 50, ...Is 325 a member?

A YES B NO