Mathematics Past Questions

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

49 questions
Question 1 of 9 49 total questions
Question 21
jamb 1999

Simplify \(\sqrt{\frac{(0.0023 \times 750)}{(0.00345 \times 1.25)}}\)

A15
B20
C40
D75
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Question 22
jamb 1999

If 2\(_9\) x (Y3)\(_9\) = 3\(_5\) x (Y3)\(_5\), find the value of Y.

A4
B3
C2
D1
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Question 23
jamb 1999

What is the answer when 2434\(_6\) is divided by 42\(_6\)?

A236
B356
C526
D556
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Question 24
jamb 1999

A trader bought 100 oranges at 5 for N1.20, 20 oranges got spoilt and the remaining were sold at 4 for N1.50. Find the percentage gain or loss.

A30% gain
B25% gain
C30% loss
D25% loss
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Question 25
jamb 1999

If \(\frac{({a^2b^{-3}c})^{3/4}}{a^{-1}b^4c^5}\) = \(a^p b^q c^r\); what is the value of p+2q?

A(5/2)
B-(5/4)
C-(25/4)
D-10
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Question 26
jamb 1999

Find the matrix T if ST = I where S = \(\begin{pmatrix} -1 & 1 \\ 1 & -2 \end{pmatrix}\)

A\(\begin{pmatrix} -2 & -1 \\ -1 & -1 \end{pmatrix}\)
B\(\begin{pmatrix} -2 & -1 \\ -1 & 1 \end{pmatrix}\)
C\(\begin{pmatrix} -1 & -1 \\ 0 & -1 \end{pmatrix}\)
D\(\begin{pmatrix} -1 & 1 \\ 0 & 1 \end{pmatrix}\)
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Question 27
jamb 1999

Find the value of X if \(\frac{\sqrt{2}}{x+\sqrt{2}}=\frac{1}{x-\sqrt{2}}\)

A3√2+4
B3√2-4
C3-2√2
D4+2√2
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Question 28
jamb 1999

If log\(_810\) = X, evaluate log\(_85\) in terms of X.

A\(\frac{1}{2}\)X
BX-\(\frac{1}{4}\)
CX-\(\frac{1}{3}\)
DX-\(\frac{1}{2}\)
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Question 29
jamb 1999

A group of market women sell at least one of yam, plantain and maize. 12 of them sell maize, 10 sell yam and 14 sell plantain. 5 sell plantain and maize, 4 sell yam and maize, 2 sell yam and plantain only while 3 sell all the three items. How many women are in the group?

A25
B19
C18
D17
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