Mathematics Past Questions

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

97 questions
Question 1 of 17 97 total questions
Question 41
jamb 2000

If α and β are the roots of the equation 3x\(^2\) + 5x - 2 = 0, find the value of 1/α + 1/β

A-5/3
B-2/3
C1/2
D5/2
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Question 42
jamb 2000

Solve the inequality 2 - x > x\(^2\).

Ax < -2 or x > 1
Bx > 2 or x< -1
C-1 < x < 2
D-2 < x < 1
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Question 43
jamb 2000

A trader realizes 10x - x\(^2\) naira profit from the sale of x bags on corn. How many bags will give him the desired profit?

A4
B5
C6
D7
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Question 44
jamb 2000

if (x - 1), (x + 1) and (x - 2) are factors of the polynomial ax\(^3\) + bx\(^2\) + cx - 1, find a, b, c in that order.

A-1/2, 1., 1/2
B1/2, 1, 1/2
C1/2, 1, -1/2
D1/2, -1, 1/2
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Question 45
jamb 2000

Evaluate (\(\frac{1}{2} - \frac{1}{4} + \frac{1}{8} - \frac{1}{16} + ...) -1\)

A2/3
Bzero
C-2/3
D-1
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Question 46
jamb 2000

Find the inverse of p under the binary operation * defined by p*q = p + q - pq, where p and q are real numbers and zero is the identity

Ap
Bp -1
Cp/(p-1)
Dp/(p+1)
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Question 47
jamb 2000

The 3rd term of an A.P is 4x - 2y and the 9th term is 10x - 8y. Find the common difference.

A19x - 17y
B8x - 4y
Cx - y
D2x
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Question 48
jamb 2000

A binary operation * is defined by a * b = a\(^b\). If a * 2 = 2 - a, find the possible values of a.

A1, -1
B1, 2
C2, -2
D1, -2
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Question 49
jamb 2000

If \(P344_{6} - 23P2_{6} = 2PP2_{6}\), find the value of the digit P.

A2
B3
C4
D5
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Question 50
jamb 2000

Simplify \(\frac{3(2^{n+1}) - 4(2^{n-1})}{2^{n+1} - 2^n}\)

A2n+1
B2n-1
C4
D1/4
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Question 51
jamb 2000

If 314\(_{10}\) - 256\(_7\) = 340\(_x\), find x.

A7
B8
C9
D10
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Question 52
jamb 2000

A man wishes to keep his money in a savings deposit at 25% compound interest so that after three years he can buy a car for N150,000. How much does he need to deposit?

AN112,000.50
BN96,000.00
CN85,714.28
DN76,800.00
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Question 53
jamb 2000

Evaluate \(\frac{(2.813 \times 10^{-3} \times 1.063)}{(5.637 \times 10^{-2})}\) reducing each number to two significant figures and leaving your answer in two significant figures.

A0.056
B0.055
C0.054
D0.54
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Question 54
jamb 2000

In a youth club with 94 members, 60 like modern music, and 50 like traditional music. The number of members who like both traditional and modern music is three times those who do not like any type of music. How many members like only one type of music?

A8
B24
C62
D86
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Question 55
jamb 2000

If \(\frac{(2\sqrt{3}-\sqrt{2})}{(\sqrt{3}+2\sqrt{2})} = m +n\sqrt{6}\), find the values of m and n respectively.

A1, -2
B-2, 1
C\(\frac{-2}{5}\), 1
D2, 3/5
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Question 56
jamb 2000

If the population of a town was 240,000 in January 1998 and it increased by 2% each year, what would be the population of the town in January, 2000?

A480,000
B249,696
C249,600
D244,800
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Question 57
jamb 2000

Let P = {1, 2, u, v, w, x}; Q = {2, 3, u, v, w, 5, 6, y} and R = {2, 3, 4, v, x, y}.

Determine (P-Q) ∩ R

A{1, x}
B{x y}
C{x}
Dɸ
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