Waec Further Mathematics Past Questions For Year 2022
Question 31
The mean heights of three groups of students consisting of 20, 16 and 14 students each are 1.67m, 1.50m and 1.40m respectively. Find the mean height of all the students.
- A. 1.63m
- B. 1.54m
- C. 1.52m
- D. 1.42m
Question 32
A body of mass 18kg moving with velocity 4ms-1 collides with another body of mass 6kg moving in the opposite direction with velocity 10ms-1. If they stick together after the collision, find their common velocity.
- A. \(\frac{1}{2}\)Â m/s
- B. \(\frac{1}{3}\)Â m/s
- C. 2m/s
- D. 3m/s
Question 33
The first, second and third terms of an exponential sequence (G.P) are (x - 4), (x + 2), and (3x + 1) respectively. Find the values of x.
- A. \(\frac{-1}{2}, 8\)
- B. \(\frac{1}{2}, -8\)
- C. \(\frac{-1}{2}, -8\)
- D. \(\frac{1}{2}, 8\)
Question 34
Find the coefficient of x\(^3\)y\(^2\) in the binomial expansion of (x-2y)\(^5\)
- A. -80
- B. 10
- C. 40
- D. 80
Question 35
The gradient of a function at any point (x,y) 2x - 6. If the function passes through (1,2), find the function.
- A. x\(^2\) -Â 6x - 5
- B. x\(^2\) -Â 6x + 5
- C. x\(^2\) -Â 6x - 3
- D. x\(^2\) -Â 6x + 7
