Mathematics Past Questions

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4,407 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 1861
jamb 1990

At what value of x is the function x\(^2\) + x + 1 minimum?

A-1
B\(-\frac{1}{2}\)
C\(\frac{1}{2}\)
D1
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Question 1862
jamb 1990

Find the sum of the first 18 terms of the progression 3, 6, 12......

A3(217 - 1)
B3(218 - 1)
C3(218 + 1)
D3(217 - 1)
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Question 1863
jamb 1990
Find the sum of the first twenty terms of the progression log a, log a2, log a3.....
Alog a20
Blog a21
Clog a200
Dlog a210
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Question 1864
jamb 1990
Given that x2 + y2 + z2 = 194, calculate z if x = 7 and \(\sqrt{y}\) = 3
A\(\sqrt{10}\)
B8
C12.2
D13.4
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Question 1865
jamb 1990
Simplify \(\frac{x}{x + y}\) + \(\frac{y}{x - y}\) - \(\frac{x^2}{x^2 - y^2}\)
A\(\frac{x}{x^2 - y^2}\)
B\(\frac{y^2}{x^2 - y^2}\)
C\(\frac{x^2}{x^2 - y^2}\)
D\(\frac{y}{x^2 - y^2}\)
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Question 1866
jamb 1990
A car painter charges N40.00 per day for himself and N10.00 per day for his assistant. if a fleet of cars were painted for N2000.00 and the painter worked 10days more than his assistant, how much did the assistant receive?
AN32.00
BN320.00
CN420.00
DN1680.00
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Question 1867
jamb 1990

The perimeter of a rectangular lawn is 24m. If the area of the lawn is 35m\(^2\), how wide is the lawn?

A5cm
B7m
C12m
D14m
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Question 1868
jamb 1990
Find the solution of the equation x - 8\(\sqrt{x}\) + 15 = 0
A3, 5
B-3, -5
C9, 25
D-9, 25
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Question 1869
jamb 1990

What must be added to 4x\(^2\) - 4 to make it a perfect square?

A\(\frac{-1}{x^2}\)
B\(\frac{1}{x^2}\)
C1
D-1
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Question 1870
jamb 1990
If x + \(\frac{1}{x}\) = 4, find x2 + \(\frac{1}{x^2}\)
A16
B14
C12
D9
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Question 1871
jamb 1990

Divide x3 - 2x2 - 5x + 6 by (x - 1)

Ax2 - x - 6
Bx2 - 5x + 6
Cx2 - 7x + 6
Dx2 - 5x - 6
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Question 1872
jamb 1990
If a2 + b2 = 16 and 2ab = 7.Find all the possible values of (a - b)
A3, -3
B2, -2
C1, -1
D3, -1
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Question 1873
jamb 1990
Factorize 9(x + y)2 - 4(x - y)2
A(x + y)(5x + y)
B(x + y)2
C(x + 5y)(5x + y)
D5(x + y)2
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Question 1874
jamb 1990
If f(x - 4) = x2 + 2x + 3, Find, f(2)
A6
B11
C27
D51
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Question 1875
jamb 1990
If a = 2, b = -2 and c = -\(\frac{1}{2}\), evaluate (ab2 - bc2)(a2c - abc)
A2
B-28
C-30
D-34
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Question 1876
jamb 1990

Simplify (\(\frac{1}{x^{-1}} \div \frac{1}{y^{-1}}\))-1

A\(\frac{y}{x}\)
Bxy
C\(\frac{x}{y}\)
D(xy)-1
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Question 1877
jamb 1990

Simplify 3log\(_6\)9 + log\(_6\)12 + log\(_6\)64 - log\(_6\)72

A5
B7776
Clog631
D(7776)6
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Question 1878
jamb 1990

Simplify \(\sqrt{27}\) + \(\frac{3}{\sqrt{3}}\)

A4\(\sqrt{3}\)
B\(\frac{4}{\sqrt{3}}\)
C3\(\sqrt{3}\)
D\(\frac{\sqrt{3}}{4}\)
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Question 1879
jamb 1990

Simplify \(\sqrt{160r^2 + \sqrt{71r^4 + \sqrt{100r^8}}}\)

A9r2
B12\(\sqrt{3r}\)
C13r
D\(\sqrt{13r}\)
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Question 1880
jamb 1990

Three brothers in a business deal share the profit at the end of a contact. The first received \(\frac{1}{3}\) of the profit and the second \(\frac{2}{3}\) of the remainder. If the third received the remaining N12000.00 how much profit did they share?

AN60 000.00
BN54 000.00
CN48 000.00
DN42 000.00
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