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Senior High School · WASSCE style

Core Mathematics

Question 1

1Find the 8th term of the GP 2, 4, 8, ...

Easy
Question 2

2Find the 20th term of the sequence 5, 8, 11, …

Easy
Question 3

3The sum of the first n terms of a GP is 2ⁿ − 1. Find the 5th term.

Hard
Question 4

4Find the sum of the first 20 natural numbers.

Easy
Question 5

5How many terms of the AP 2, 5, 8, ... give a sum of 155?

Hard
Question 6

6Find the sum to infinity of the geometric series 12 + 6 + 3 + …

Medium
Question 7

7The 3rd term of an arithmetic sequence is 10 and the 7th term is 22. Find the common difference.

Easy
Question 8

8The 2nd and 5th terms of a GP are 6 and 162. Find the common ratio.

Hard
Question 9

9What is the common ratio of the geometric sequence 81, 27, 9, …?

Easy
Question 10

10What is the 10th term of the arithmetic sequence 3, 7, 11, …?

Easy

Demo questions written by Otisam in the style of the WASSCE. They are not WAEC past questions.