Waec Mathematics Past Questions For Year 2005
Question 1
Correct 0.04945 to two significant figures
- A. 0.040
- B. 0.049
- C. 0.050
- D. 0.49
Question 2
A man bought 220 mangoes at N5x. He sold each for 3x kobo and made a gain of N8. Find the value of x
- A. 2
- B. 5
- C. 6
- D. 10
Question 3
Find the equation whose roots are 2 and \(-3\frac{1}{2}\)
- A. 2x2 + 3x + 14 = 0
- B. 2x2 + 5x + 7 = 0
- C. 2x2 + 5x - 7 = 0
- D. 2x2 + 3x - 14 = 0
Question 4
Simplify the expression \(log_{10}18 - log_{10}2.88+log_{10}16\)
- A. 31.12
- B. 3.112
- C. 2
- D. 1
Question 5
Evaluate, correct to the nearest whole number \(7\frac{1}{2}-\left(2\frac{1}{2}+3\right)\div\frac{33}{2}\)
- A. 33
- B. 8
- C. 7
- D. o
