Mathematics Past Questions

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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 871
jamb 2009

Determine the value of x for which (x\(^2\) - 1) > 0?

Ax < -1 or x > 1
B-1 < x < 1
Cx > 0
Dx < -1
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Question 872
jamb 2009

W is directly proportional to U. If W = 5 when U = 3, find U when W = 2/7

A6/35
B10/21
C21/10
D35/6
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Question 873
jamb 2009

Which of the following equations represent the graph above?

Ay = 2+7x+4x2
By = 2-7x+4x2
Cy = 2+7x-4x2
Dy = 2-7x-4x2
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Question 874
jamb 2009

A polynomial in x whose roots are 4/3 and -3/5 is?

A15x2 - 11x – 12
B15x2 + 11x – 12
C12x2 - x – 12
D12x2 + 11x – 15
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Question 875
jamb 2009

If \(p=\sqrt{\frac{rs^3}{t}}\), express r in terms of p, s and t?

A\(\frac{p^2 t}{s^3}\)
B\(\frac{p^3 t}{s^3}\)
C\(\frac{p^3 t}{s^2}\)
D\(\frac{p^ t}{s^3}\)
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Question 876
jamb 2009

I.S∩T∩W=S II. S ∪ T ∪ W = W
III. T ∩ W = S
If S⊂T⊂W, which of the above statements are true?

AI and II
BI and III
CII and III
DI, II and III
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Question 877
jamb 2009

If x = {n\(^2\)+1:n is a positive integer and 1 \(\leq\) n \(\leq\) 5},
Y = {5n:n is a positive integer and 1 \(\leq\) n \(\leq\) 5}, find x \(\cap\) y.

A{5,10}
B{5, 10, 15}
C{2, 5, 10}
D{5, 10, 15, 20}
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Question 878
jamb 2009

Simplify \(\frac{5+\sqrt{7}}{3+\sqrt{7}}\)

A17-√7
B4-√7
C15+√7
D7-√7
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Question 879
jamb 2009

If log\(_{10}\)2 = 0.3010 and log\(_{10}\)7 = 0.8451, evaluate log\(_{10}\)280

A3.4471
B2.4471
C1.4471
D1.4071
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Question 880
jamb 2009

A student spent 1/5 of his allowance on books, 1/2 of remainder on food and kept the rest for contingencies. What fraction was kept?

A7/15
B8/15
C2/5
D4/5
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Question 881
jamb 2009

A man bought a second-hand photocopying machine for N34,000. He serviced it at a cost of N2,000 and then sold it at a profit of 15%. What was the selling price?

AN37,550
BN40,400
CN41,400
DN42,400
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Question 882
jamb 2009

Evaluate \(\frac{81.81+99.44}{20.09+36.16}\) correct to 3 significant figures.

A6.24
B3.22
C2.78
D2.13
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Question 883
jamb 2009

Simplify \(7\frac{1}{12}-4\frac{3}{4}+2\frac{1}{2}\)

A4
B41/6
C45/6
D51/6
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Question 884
jamb 2009

If 55\(_x\) + 52\(_x\) = 77\(_{10}\) find X

A5
B6
C7
D10
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Question 885
neco 2008
Find the value of log\(_{\sqrt{3}}\) 81
A81
B16
C8
D3
E\(\sqrt{3}\)
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Question 886
neco 2008
P = {x:(x - 2)(x + 3) (x - 4)(x + 5) = 0}. The elements in P are
A-5,-2, 3, 4
B-5, -3, 2, 4
C-5, -3, -2,4
D-4, -3, -2, 5
E2, 3, 4, 5
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Question 887
neco 2008
which of the following properties is/are common to parallelograms and rectangles?
I. all angles are right angles
II. the diagonals are equals.
III. the opposite sides are equal and parallel.
AI and II
BI and III
CII and III
DI
EIII
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Question 888
neco 2008
If 5x - 3 = 4x - 7, what is the value 6x?
A24
B6
C4
D-4
E-24
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Question 889
neco 2008
Evaluate (25 × 4-2) ÷ (2-3 × 26)
A9
B8
C3
D\(\frac{8}{9}\)
E\(\frac{1}{4}\)
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Question 890
neco 2008

T varies inversely as the square root of F when T = 7, F = 2\(\frac{1}{4}\). Find T when F = \(\frac{27}{9}\)

A1.5
B6.1
C6.3
D12.6
E21
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