Waec Mathematics Past Questions For Year 2016
Question 16
The volume of a pyramid with height 15cm is 90cm3. If its base is a rectangle with dimension xcm by 6cm, find the value of x
- A. 3
- B. 5
- C. 6
- D. 8
Question 17
The curve surface area of a cylinder, 5cm high is 110cm 2. Find the radius of its base. [Take \(\pi = \frac{22}{7}\)]
- A. 2.6cm
- B. 3.5cm
- C. 3.6cm
- D. 7.0cm
Question 18
Factorize; (2x + 3y)2 - (x - 4y)2
- A. (3x - y)(x + 7y)
- B. (3x + y)(2x - 7y)
- C. (3x + y)(x - 7y)
- D. (3x - y)(2x + 7y)
Question 19
In the diagram, \(\bar{PF}\), \(\bar{QT}\), \(\bar{RG}\) intersect at S and PG||RG. If < SPQ = 113o and < RSt = 220, find < PSQ
- A. 22o
- B. 45o
- C. 67o
- D. 89o
Question 20
In the diagram, \(\bar{YW}\) is a tangent to the circle at X, |UV| = |VX| and < VXW = 50o. Find the value of < UXY.
- A. 70o
- B. 80o
- C. 105o
- D. 110o