Mathematics Past Questions

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

133 questions
Question 1 of 20 133 total questions
Question 51
jamb 2008

Find the minimum value of the function y = x(1+x)

A-1/4
B-1/2
C1/4
D1/2
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Question 52
jamb 2008

Differentiate sin x - x cos x

Ax cos x
Bx sin x
C-x cos x
D-x sin x
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Question 53
jamb 2008

Find the derivative of \(y=\frac{x^7 - x^5}{x^4}\)

Ax(x2-1)
B3x(x2-1)
C3x2-1
D7x6-5x4
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Question 54
jamb 2008

If sinθ = 3/5. Find Tanθ

A3/4
B3/5
C2/5
D1/4
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Question 55
jamb 2008

Find the gradient of a line which is perpendicular to the line with the equation 3x + 2y + 1 = 0

A3/2
B2/3
C-2/3
D-3/2
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Question 56
jamb 2008

The locus of a point equidistant from two points p(6,2) and R(4,2) is a perpendicular bisector of PR passing through?

A(2,5)
B(5,2)
C(1,0)
D(0,1)
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Question 57
jamb 2008

Find the capacity in liters of a cylindrical well of radius 1 meter and depth 14 meters
[π = 22/7]

A44,000 liters
B4,400 liters
C440 liters
D44 liters
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Question 58
jamb 2008

Find the angle subtended at the center of a circle by a chord which is equal in length to the radius of the circle.

A30o
B45o
C60o
D90o
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Question 59
jamb 2008

Find the area of the figure above
[π = 22/7]

A12.5 cm2
B75.0 cm2
C78.5 cm2
D84.8 cm2
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Question 60
jamb 2008

In the diagram above ∠OPQ is?

A90o
B53o
C36o
D26o
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Question 61
jamb 2008

Find the exterior angle of a 12 sided regular polygon

A12o
B24o
C25o
D30o
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Question 62
jamb 2008

In the diagram above, PQ//RS. The size of the angle marked x is?

A100o
B80o
C50o
D30o
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Question 63
jamb 2008
A binary operation on the real set of numbers excluding -1 is such that for all m, n ∈ R, mΔn = m+n+mn. Find the identity element of the operation.
A1
Bzero
C-1/2
D-1
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Question 64
jamb 2008

A binary operation * is defined on the set of positive integers is such x*y = 2x-3y+2 for all positive integers x and y. The binary operation is?

Acommutative and close on the set of positive integers
Bneither commutative nor closed on the set of positive integers
Ccommutative but not closed on the set of positive integers
Dnot cummutative but closed on the set of positive integers
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Question 65
jamb 2008

The fifth term of an A.P is 24 and the eleventh term is 96. Find the first term.

A12
B4
C-12
D-24
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Question 66
jamb 2008

Solve the quadratic inequalities x\(^2\) - 5x + 6 ≥ 0

Ax ≤ 2, x ≥ 3
Bx ≤ 3, x ≥ 2
Cx ≤ -2, x ≥ -3
Dx ≤-3, x ≥ 2
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Question 67
jamb 2008

Find the range of values of x which satisfy the inequalities 4x - 7 \(\leq\) 3x and 3x - 4 \(\leq\) 4x

A-4 \(\leq\) x \(\leq\) 7
B-7 \(\leq\) x \(\leq\) 4
Cx \(\geq\) -7
D-7 \(\leq\) x \(\leq\) 6
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Question 68
jamb 2008

If p varies inversely as the square of q and p = 8 when q = 4, find q when p = 32

A\(\pm\)16
B\(\pm\)8
C\(\pm\)4
D\(\pm\)2
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Question 69
jamb 2008

If x - 3 is directly proportional to the square of y and x = 5 when y =2, find x when y = 6.

A30
B21
C16
D12
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Question 70
jamb 2008

Factorize completely; (4x+3y)\(^2\) - (3x-2y)\(^2\) 

A(x+5y)(7x+y)
B(x+5y)(7x-y)
C(x-5y)(7x+y)
D(x-5y)(7x-y)
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