Waec Mathematics Past Questions
Question 1646
If \(K\sqrt{28}+\sqrt{63}-\sqrt{7}=0\), find K.
- A. -2
- B. -1
- C. 1
- D. 2
Question 1647
Simplify log\(_7\) 8 - log\(_7\) 2 + log\(_7\) 4.
- A. 0
- B. \(2log_7 2\)
- C. \(3log_7 2\)
- D. \(4log_7 2\)
Question 1648
The side of a rhombus is 10cm long, correct to the nearest whole number. Between what limits should the perimeter P lie?
- A. 39cm ≤ P ≤41cm
- B. 38cm ≤ P < 42cm
- C. 38.5 ≤ P ≤ 41.5cm
- D. 38.5 ≤ P ≤ 40cm
Question 1649
Arrange in ascending order of magnitude \(26_8, 36_7, and 25_9\)
- A. \(25_9 26_8 36_7\)
- B. \(26_8 25_9 36_7\)
- C. \(36_7 26_8 25_9\)
- D. \(36_7 25_9 26_8\)
Question 1650
Which of the following figures have one line of symmetry only? I. Isosceles triangle II. Rhombus III. Kite
- A. I and II only
- B. II and III only
- C. I and III only
- D. I, II, and III
