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Mathematics Past Questions
If 32y – 6(3y) = 27, find y
- A. 3
- B. -1
- C. 2
- D. -3
- E. -3
What is the 15th term of the sequence -3, 2,7,…?
- A. 65
- B. 66
- C. 68
- D. 67
- E. 67
Factorize 6x2 – 14x – 12
- A. 2(x + 3)(3x – 2)
- B. 6(x – 2)(x + 1)
- C. 2(x – 3)(3x + 2)
- D. 6(x + 2)(x – 1)
- E. 6(x + 2)(x – 1)
If x= 0.0012 + 0.00074 + 0.003174, what is the difference between x to 2 decimal places and x to 1 significant figure?
- A. 0.01
- B. 0.0051
- C. 0.1
- D. 0.005
- E. 0.005
The difference of two numbers is 10, while their product is 39. Find these numbers
- A. – 3 and 10 or 13 and 10,
- B. 3 and – 10 or 3 and 13,
- C. 3 and – 3 or 3 and 13,
- D. – 3 and – 13 or 13 and 3
- E. – 3 and – 13 or 13 and 3
A. cylinder has height 4cm and base radius 5cm.its volume to 3 significant figure is
- A. 314.2cm2
- B. 31.42 cm2
- C. 251 4cm2
- D. 251cm2
- E. 251cm2
If 7 and 189 are the first and fourth terms of a geometric progression respectively find the sum of the first three terms of the progression
- A. 182
- B. 180
- C. 91
- D. 63
- E. 63
The trigonometric expression cos2A + sin 2A can be written as:
- A. cosA(cosA + sinA)
- B. B.cos2A + sin2A – 2sinAcosA,
- C. 2sinAcosA + cos2A + sin2A,
- D. D.cos2A +sinA – 2sinAcosA
- E. D.cos2A +sinA – 2sinAcosA
Find the positive number n such that thrice its square is equal to twelve time the number
- A. 1
- B. 4
- C. 2
- D. 5
- E. 5
A sector circle of radius 7.2cm which subtends an angle of 3000 at the centre is used to form a cone. What is the radius of the base of the cone?.
- A. 6cm
- B. 7cm
- C. 8cm
- D. 9cm
- E. 9cm