Mathematics Past Questions

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46 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

46 questions
Question 1 of 20 46 total questions
Question 11
jamb 1995

Two perpendicular lines PQ and QR intersect at (1, -1). If the equation of PQ is x - 2y + 4 = 0, find the equation of QR

Ax + 2y - 1= -0
B2x + y - 3 = 0
Cx - 2y - 3 = 0
D2x + y - 1 = 0
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Question 12
jamb 1995

Find the distance between two towns P(45°N, 30°W) and Q(15°S, 30°W) if the radius of the earth is 7000km. [\(\pi = \frac{22}{7}\)]

A\(\frac{11000}{3}\)km
B\(\frac{2200}{3}\)km
C\(\frac{22000}{3}\)km
D\(\frac{1100}{3}\)km
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Question 13
jamb 1995

In a triangle XYZ, < YXZ = 44° and < XYZ = 112°. Calculate the acute angle between the internal bisectors of < XYZ and < XZY.

A12o
B56o
C68o
D78o
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Question 14
jamb 1995

If x = \(\begin{pmatrix} 1 & 2 \\ 0 & 3 \end{pmatrix}\) and y = \(\begin{pmatrix} 2 & 1 \\ 4 & 3 \end{pmatrix}\). Find xy.

A\(\begin{pmatrix} 10 & 7 \\ 12 & 9 \end{pmatrix}\)
B\(\begin{pmatrix} 2 & 7 \\ 4 & 17 \end{pmatrix}\)
C\(\begin{pmatrix} 10 & 4 \\ 4 & 6 \end{pmatrix}\)
D\(\begin{pmatrix} 4 & 3 \\ 10 & 9 \end{pmatrix}\)
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Question 15
jamb 1995
\(\begin{vmatrix} -2 & 1 & 1 \\ 2 & 1 & k \\1 & 3 & -1 \end{vmatrix}\) = 23
A1
B2
C3
D4
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Question 16
jamb 1995

Find the sum to infinity of the following sequence \(1, \frac{9}{10}, (\frac{9}{10})^{2}, (\frac{9}{10})^{3}\)

A\(\frac{1}{10}\)
B\(\frac{9}{10}\)
C\(\frac{10}{9}\)
D10
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Question 17
jamb 1995

If a \(\ast\) b = + \(\sqrt{ab}\), evaluate 2 \(\ast\)(12 \(\ast\) 27)

A12
B9
C6
D2
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Question 18
jamb 1995

Which of the following binary operations is cumulative on the set of integers?

Aa \(\ast\) b = a + 2b
Ba \(\ast\) b = a + b - ab
Ca \(\ast\) b = a2 + b
Da \(\ast\) b = \(\frac{a(b + 1)}{2}\)
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Question 19
jamb 1995

Express \(\frac{5x - 12}{(x - 2)(x - 3)}\) in partial fractions

A\(\frac{2}{x + 2} - \frac{3}{x - 3}\)
B\(\frac{2}{x - 2} + \frac{3}{x - 3}\)
C\(\frac{2}{x - 3} - \frac{3}{x - 2}\)
D\(\frac{5}{x - 3} - \frac{4}{x - 2}\)
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Question 20
jamb 1995
Simplify \(\frac{x^2 - 1}{x^3 + 2x^2 - x - 2}\)
A\(\frac{1}{x + 2}\)
B\(\frac{x - 1}{x + 1}\)
C\(\frac{x - 1}{x + 2}\)
D\(\frac{1}{x - 2}\)
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Question 21
jamb 1995
The 4th term of an A.P. is 13 while the 10th term is 31. Find the 21st term.
A175
B85
C64
D45
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Question 22
jamb 1995
Solve the inequality (x - 3)(x - 4) \(\leq\) 0
A3 \(\leq\) x \(\leq\) 4
B3 < x < 4
C3 \(\leq\) x < 4
D3 < x \(\leq\) 4
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Question 23
jamb 1995

Factorize completely the expression \(abx^2 + 6y - 3ax - 2byx\)

A(ax - 2y)(bx - 3)
B(bx + 3)(2y - ax)
C(bx + 3)(ax - 2y)
D(ax - 2y)(ax - b)
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Question 24
jamb 1995
The graph of f(x) = x2 - 5x + 6 crosses the x-axis at the points
A(-6, 0), (-1, 0)
B(-3, 0), (-2,0)
C(-6, 0),(1, 0)
D(2, 0), (3, 0)
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Question 25
jamb 1995

Find T in terms of K, Q, and S if S = 2r\(\sqrt{\pi(QT + K)}\)

A\(\frac{S^2}{2 \pi r^2Q} - \frac{k}{Q}\)
B\(\frac{S^2}{2 \pi r^2Q}\) - k
C\(\frac{S^2}{4 \pi r^2Q} - \frac{k}{Q}\)
D\(\frac{s^2}{4 \pi r^2Q}\)
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Question 26
jamb 1995
Finds a positive value of p if the expression 2x2 - px + p leaves a remainder 6 when divided by x - p and q
A1
B2
C3
D4
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Question 27
jamb 1995

If x - 1 and x + 1 are both factors of the equation x\(^3\) + px\(^2\) + qx + 6 = 0, evaluate p and q

A-6, -1
B6, 1
C1, -1
D6, -6
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Question 28
jamb 1995

If S = (x : x\(^2\) = 9, x > 4), then S is equal to

A4
B{0}
C\(\emptyset\)
D{\(\emptyset\)}
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Question 29
jamb 1995

Four members of a school first eleven cricket team are also members of the first fourteen rugby team. How many boys play for at least one of the two teams?

A25
B21
C16
D3
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Question 30
jamb 1995

Simplify \(\frac{\sqrt{12} - \sqrt{3}}{\sqrt{12} + \sqrt{3}}\)

A\(\frac{1}{3}\)
B9
C16cm
D3
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