Waec Mathematics Past Questions For Year 2020
Question 1
If X = {x : x < 7} and Y = {y:y is a factor of 24} are subsets of \(\mu\) = {1, 2, 3...10} find X \(\cap\) Y.
- A. {2, 3, 4, 6}
- B. {1, 2, 3, 4, 6}
- C. {2, 3, 4, 6, 8}
- D. {1, 2, 3, 4, 6, 8}
Question 2
Evaluate and correct to two decimal places, 75.0785 - 34.624 + 9.83
- A. 30.60
- B. 50.29
- C. 50.28
- D. 30.63
Question 3
Given that \(\frac{\sqrt{3} + \sqrt{5}}{\sqrt{5}}\)
= x + y\(\sqrt{15}\), find the value of (x + y)
- A. 1\(\frac{3}{5}\)
- B. 1\(\frac{2}{5}\)
- C. 1\(\frac{1}{5}\)
- D. \(\frac{1}{5}\)
Question 4
An amount of N550,000.00 was realized when a principal, x was saved at 2% simple interest for 5 years. Find the value of x
- A. N470,000.00
- B. N480,000.00
- C. N490,000.00
- D. N500,000.00
Question 5
If 101\(_{\text{two}}\) + 12y = 3.3\(_{\text{five}}\). Find the value of y
- A. 8
- B. 7
- C. 6
- D. 5
