## 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