Study WAEC questions on Sequence and Series (+PDF)

These WAEC questions on Sequence and Series are all from its sub-topics in the WAEC MATH SYLLABUS.

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WAEC Sequence and Series questions

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1. Find the 7th term of the sequence: 2, 5, 10, 17, 26 ......

A. 37
B. 48
C. 50
D. 63

2. Find the next three terms of the sequence: 0,1, 2, 3, 5, 8 .... 

A. 13,19,23
B. 9,11,13
C. 11,15,19
D. 13,21,34

3. Find the number of terms in the Arithmetic Progression (A.P) 2, -9, -20, ..., -141.  

A. 11
B. 12
C. 13
D. 14

4. Find the 6th term of the sequence: 2/3, 7/15, 4/15, ....

A. -1/3
B. -1/5
C. 1/15
D. 1/5

5. Find the 8th term of the A.P. -3, -1, 1, ....

A. 13
B. 11
C. -8
D. -11

6. Find the 9th term of the Arithmetic Progression, 18, 12, 6, 0, -6, ... 

A. -54
B. -30
C. 30
D. 42

7. Find the nth term Un of the A.P. 11, 4, -3, ... 

A. Un = 19 + 7n
B. Un = 19 - 7n
C. Un = 18 - 7n
D. Un = 18 + 7n

8. Find the 4th term of an A.P. whose first term is 2 and the common difference is 0.5.

A. 0.5
B. 2.5
C. 3.5
D. 4

9. The first term a of an A.P. is equal to twice the common difference d. Find, in terms of d, the 5th term of the A.P.

A. 4d
B. 5d
C. 6d
D. a+5d

10. If 16/9, x, 1, y are in Geometric Progression (G.P.), find the product of x and y.

A. 9/16
B. 3/4
C. 1
D. 4/3

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