Mathematics Exam Past Questions and Answers | JAMB, WAEC and NECO
Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.
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Question 1341: Factory P produces 20,000 bags of cement per day while factory Q produces 15,000 bags per day. If P reduces production by 5% and Q increases production by 5%, determine the effective loss in the number of bags produced per day by the two factories
Options:
A) 250
B) 750
C) 1000
D) 1250
Show Answer
The correct answer is A .
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Question 1342: Differentiate with respect to x
Options:
A) 1 + x sec x tan x
B) 1 + sec2 x
C) cos x + x tan x
D) x sec x tan x + secx
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The correct answer is D .
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Question 1343: Find the equation of the locus of a point P(x,y) which is equidistant from Q(0,0) and R(2,1).
Options:
A) 4x + 2y = 5
B) 4x - 2y = 5
C) 2x + 2y = 5
D) 2x + y = 5
Show Answer
The correct answer is A .
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Question 1344: Differentiate (cos θ - sin θ)2
Options:
A) -2 cos 2θ
B) -2 sin2θ
C) 1 - 2 cos 2θ
D) 1 - 2 sin 2θ
Show Answer
The correct answer is A .
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Question 1345: The H.C.F. of a2bx + ab2x and a2b - b2 is
Options:
A) b
B) a + b
C) b(a b)
D) abx(a2 - b2)
Show Answer
The correct answer is B .
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Question 1346: The value of is
Options:
A) 0.019
B) 0.0019
C) 0.00019
D) 0.000019
E) 0.0278
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The correct answer is E .
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Question 1347: A student has 5 courses to take from Mathematics and physics. There are 4 courses in Mathematics and 3 in Physics which he can choose his courses so that he takes exactly two courses in Physics?
Options:
A) 48
B) 12
C) 10
D) 7
Show Answer
The correct answer is B .
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Question 1348: Factorize completely 81a4 - 16b4
Options:
A) (3a + 2b)(2a - 3b)(9a2 + 4b2)
B) (3a - 2b)(2a - 3b)(4a2 - 9b2)
C) (3a - 2b)(3a - 2b)(9a2 - 4b2)
D) (6a - 2b)(8a - 3b)(4a3 - 9b2)
Show Answer
The correct answer is C .
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Question 1349:
Simplify
Options:
A) 4a
B) 1/8a
C) 8a
D) 1/4a
Show Answer
The correct answer is D .
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Question 1350: x is directly proportional to y and inversely proportional to z. If x = 9 when y = 24 and z = 8, what is the value of x when y = 5 and z = 6?
Options:
A)
B) 11
C) 3
D) 2
E) 1
Show Answer
The correct answer is D .