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 1031: If r varies inversely as the square root of s and t, how does s vary with r and t?
Options:
A) s varies inversely as r and t2
B) s varies inverely as r2 and t
C) s varies directly as r2 and t2
D) s varies directly as r and t
Show Answer
The correct answer is B .
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Question 1032: If U = (1, 2, 3, 6, 7, 8, 9, 10) is the universal set. E = (10, 4, 6, 8, 10) and F = is odd. Find (E ∩ F), where means x 1x2 = 26, x the complement of a set
Options:
A) (0)
B) U
C) (8)
D)
Show Answer
The correct answer is D .
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Question 1033: In the equation below, Solve for x if all the numbers are in base 2: =
Options:
A) 101
B) 11
C) 110
D) 111
E) 10
Show Answer
The correct answer is B .
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Question 1034: If b = a + cp and r = ab + cp2, express b2 in terms of a, c, r.
Options:
A) b2 = aV + 2cr
B) b2 = ar + 2c2r
C) b2 = a2 = cr2
D) b2 = ar2 + c
E) b2 = 2cr - a2
Show Answer
The correct answer is E .
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Question 1035: An sided figure has n diagonals, find the number n of diagonals for a 25 sided figure
Options:
A) 8
B) 7
C) 6
D) 9
E) 10
Show Answer
The correct answer is B .
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Question 1036: If y = x sin x, find
Options:
A) sin x - cos x
B) cos x - x sin x
C) cos x + x sin x
D) sin x + x cos x
Show Answer
The correct answer is D .
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Question 1037: Find correct to one decimal place, 0.24633 0.0306
Options:
A) 0.8
B) 1.8
C) 8.0
D) 8.1
Show Answer
The correct answer is D .
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Question 1038: If b3 = a-2 and c = ab, express c in terms of a
Options:
A) a-
B) a
C) a
D) a
Show Answer
The correct answer is A .
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Question 1039:
Factorize 4a - 9b
Options:
A) (2a-3b) (2a+3b)
B) (2a-b) (2a+3b)
C) (2a-3b) (a+3b)
D) (a-3b) (a+3b)
Show Answer
The correct answer is A .
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Question 1040: If 5(x + 2y) = 5 and 4(x + 3y) = 16, find 3(x + y)
Options:
A) 7
B) 1
C) 3
D) 27
Show Answer
The correct answer is B .