Jamb 2001 Mathematics Past Questions And Answers
1
If y = x sinx, find dy/dx when x = π/2.
- A. -π/2
- B. -1
- C. 1
- D. π/2
2
| ⊗ | k | l | m |
| k | l | m | k |
| l | m | k | l |
| m | k | l | m |
- A. o
- B. m
- C. l
- D. k
3
Find the dimensions of a rectangle of greatest area which has a fixed perimeter p.
- A. square of sides p
- B. square of sides 2p
- C. square of sides (p/2)
- D. square of sides (p/4)
4
Find the variance of 2, 6, 8, 6, 2 and 6
- A. 6
- B. 5
- C. √6
- D. √5
5
Find the principal which amounts to N5,500 at a simple interest in 5 years at 2% per annum.
- A. N4,900
- B. N5,000
- C. N4,700
- D. N4,800
6
Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. Find the square of the mode.
- A. 49
- B. 121
- C. 25
- D. 64
7
Simplify \((\sqrt[3]{64a^{3}})^{-1}\)
- A. 4a
- B. 1/8a
- C. 8a
- D. 1/4a
8
Teams P and Q are involved in a game of football. What is the probability that the game ends in a draw?
- A. 2/3
- B. 1/2
- C. 1/3
- D. 1/4
9
The chord ST of a circle is equal to the radius, r, of the circle. Find the length of arc ST.
- A. πr/6
- B. πr/2
- C. πr/12
- D. πr/3
10
Triangle SPT is the solution of the linear inequalities

- A. 2y - x - 2 ≤ 0, y + 2x + 2 ≥ 0, x ≥ 0
- B. 2y - x - 2 ≥ 0, y + 2x + 2 ≤ 0, -2 ≥ x ≥ -1
- C. -2 ≥ x ≥ 2, y ≤ 0, y + 2x + 2 ≥ 0, x ≥ 0
- D. 2y - x - 2 ≥ 0, y + 2x + 2 ≥ 0, y ≤ 0, x ≥ 0

