Waec Mathematics Past Questions
Question 1676
If \(x^2 +15x + 50 = ax^2 + bx + c = 0\). Which of the following statement is not true?
- A. x = -5
- B. x = 10
- C. x + 10 = 0
- D. bc = 750
Question 1677
Which of the following pairs of inequalities is represented on the number line?
- A. \(x<-2 and x\ge1\)
- B. \(x\ge -2 and x>1\)
- C. \(x\le -2 and x\ge1\)
- D. \(x< -2 and x>1\)
Question 1678
Amina had m mangoes. She ate 3 and shared the remainder equally with her brother Uche. Each had at least 10. Which of the following inequalities represents the statements above.
- A. \(\frac{m}{2}-3\le 10\)
- B. \(\frac{m}{2}-3\ge 10\)
- C. \(\frac{m-3}{2}\ge10\)
- D. \(\frac{m-3}{2}\le10\)
Question 1679
Water flows from a tap into cylindrical container at the rate 5πcm\(^3\) per second. If the radius of the container is 3cm, calculate the level of water in the container at the end of 9 seconds.
- A. 2cm
- B. 5cm
- C. 8cm
- D. 15cm
Question 1680
Which of the following statements is true from the diagram above?
- A. m + n = 90o
- B. m = n
- C. n > 45o
- D. m < 45o
