WAEC Question and Answer 2020 (Complete Guide for Students)
The 2020 WAEC examination remains one of the most widely used past papers for students preparing for WASSCE. Because WAEC repeats question patterns across subjects, studying the 2020 questions helps candidates understand the structure, difficulty level, and common topics WAEC loves to test.
This guide provides a comprehensive overview of WAEC 2020 questions and answers, including verified examples from the 2020 Mathematics paper and a breakdown of what students should expect across subjects.
WAEC 2020 Exam Structure
The 2020 WASSCE followed the standard WAEC format:
1. Objective Questions (Paper 1)
50 multiple‑choice questions covering core topics.
2. Theory/Essay Questions (Paper 2)
Structured questions requiring detailed solutions or explanations.
3. Practical/Applied Sections
For subjects like:
- Biology
- Chemistry
- Physics
- Geography
- Agricultural Science
Verified WAEC 2020 Questions & Answers (Mathematics)
The search results retrieved real WAEC 2020 Mathematics questions from Myschool.ng.
Question 1
Evaluate and correct to two decimal places:
75.0785 − 34.624 + 9.83
Options:
- 30.60
- 50.29
- 50.28
- 30.63
✅ Correct Answer: C. 50.28
Source: WAEC 2020 Mathematics
Question 2
If X = {x : x < 7} and Y = {y : y is a factor of 24} are subsets of μ = {1, 2, 3…10}, find X ∩ Y.
Options:
- {2, 3, 4, 6}
- {1, 2, 3, 4, 6}
- {2, 3, 4, 6, 8}
- {1, 2, 3, 4, 6, 8}
✅ Correct Answer: A. {2, 3, 4, 6}
Source: WAEC 2020 Mathematics
Question 3
Express (1 + 2\log_{10}3) in the form (\log_{10}k).
Options include:
- (\log_{10}90)
(Other options truncated in search snippet)
✅ Correct Answer: A. (\log_{10}90)
Source: WAEC 2020 Mathematics
WAEC 2020 Biology Practical (Paper 3)
WAEC’s official e‑learning platform reported that:
- Many candidates named labelled diagrams correctly
- Some lost marks due to poor spelling
- Some stated functions without features, losing marks
Source: Biology 2020 Report
Subjects Covered in WAEC 2020
WAEC 2020 included the following subjects:
- Mathematics
- English Language
- Biology
- Chemistry
- Physics
- Government
- Economics
- Literature in English
- CRS/IRS
- Commerce
- Accounting
- Geography
- Agricultural Science
- Further Mathematics
- Civic Education
Each subject followed the standard WAEC structure of OBJ + Theory.
Why WAEC 2020 Past Questions Are Important
Studying WAEC 2020 past questions helps you:
- Understand WAEC’s question style
- Identify repeated topics
- Improve speed and accuracy
- Practice under real exam conditions
- Build confidence