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 20 97 total questions
Question 21
waec 1992

Evaluate \(\log_{10} 25 + \log_{10} 32 - \log_{10} 8\)

A0.2
B2
C100
D409
E490
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Question 22
waec 1992

Simplify: \((\frac{16}{81})^{\frac{1}{4}}\)

A8/27
B1/3
C4/9
D2/3
E-4/3
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Question 23
waec 1992

The nth term of a sequence is given by 3.2\(^{n-2}\). Write down the first three terms of the sequence.

A2/3, 0, 6
B3/2, 3, 6,
C2/3, 3, 8/3
D2/3, 3/4, 6
E2/3, 3, 1/3
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Question 24
waec 1992

A bricklayer measured the length of a wall and obtained 4.10m. If the actual length of the wall is 4.25m, find his percentage error.

A3 9/17%
B3 27/41%
C15%
D35 5/17%
E36 24/41%
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Question 25
waec 1992
Convert 77 to a number in base two
A1001 101
B111001
C100110
D10101
E10011
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Question 26
waec 1992

If x varies over the set of real numbers, which of the following is illustrated in the diagram above?

A-3
B-3≤x
C-3
D-3≤x≤2
Ex≥2
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Question 27
waec 1992

Simplify (\(\frac{3}{4} + \frac{1}{3}) \times 4\frac{1}{3} \div 3\frac{1}{4}\)

A1/2
B13/12
C10/9
D17/12
E13/9
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Question 28
waec 1992

Let U = {1, 2, 3, 4}, P = {2, 3} and Q = {2, 4}. What is (P∩Q)'?

A(1, 2, 3)
B(1, 3, 4)
C(2, 3)
D(1, 3)
E(1, 4)
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Question 29
jamb 1992

In the figure, if XZ is 10cm, calculate RY in cm

A10
B10(1 - \(\frac{1}{\sqrt{3}}\))
C10(1 - \(\frac{1}{\sqrt{2}}\))
D10(1 - \(\sqrt{3}\))
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Question 30
jamb 1992
The diagram is a circle with centre O. Find the area of the shaded portion
A9(\(\pi - 2) cm^2\)
B18\(\pi cm^2\)
C9\(\pi cm^2\)
D36\(\pi cm^2\)
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Question 31
jamb 1992

In the figure, PQR is a semicircle while PQ and QR are chords. QS is the perpendicular from Q to the diameter PR. What is the expression for QS?

AQS = PS\(\sqrt{SR}\)
BQS = \(\sqrt{(PS SR)}\)
CQS = 2\(\sqrt{(PS SR)}\)
DQS = \(\frac{1}{\sqrt{2}}\)\(\sqrt{(PS SR)}\)
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Question 32
jamb 1992

In the figure, TSP = 100° and PRQ = 20°. Find PQR.

A140o
B120o
C75o
D30o
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Question 33
jamb 1992

The sketch is the curve of y = ax2 + bx + c. Find a, b and c respectively

A1, 0, -4
B-2, 2, -4
C0, 1, -4
D2, -2, -4
E2, -2, -4
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Question 34
jamb 1992

A student has 5 courses to take from Mathematics and physics. There are 4 courses in Mathematics and 3 in Physics which he can choose his courses so that he takes exactly two courses in Physics?

A48
B12
C10
D7
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Question 35
jamb 1992

Five people are to be arranged in a row for a group photograph. How many arrangements are there if a married couple in the group insist on sitting next to each other?

A48
B24
C20
D10
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Question 36
jamb 1992

The probability of an event P is \(\frac{3}{4}\) while that of another event Q is \(\frac{1}{6}\). If the probability of both P and Q is \(\frac{1}{2}\). What is the probability of either P or Q.

A\(\frac{1}{96}\)
B\(\frac{1}{8}\)
C\(\frac{5}{6}\)
D\(\frac{11}{12}\)
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Question 37
jamb 1992
Two perfect dice are thrown together, Determine the probability of obtaining a total score of 8
A\(\frac{1}{12}\)
B\(\frac{5}{36}\)
C\(\frac{1}{6}\)
D\(\frac{7}{36}\)
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Question 38
jamb 1992
If the scores of 3 students in a test are 5, 6 and 7, find the standard deviation of their scores
A\(\frac{2}{3}\)
B\(\frac{2}{3}\sqrt{3}\)
C\(\sqrt{\frac{2}{3}}\)
D\(\sqrt{\frac{3}{2}}\)
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Question 39
jamb 1992

\(\begin{array}{c|c} \text{No. of children} & 0 & 1 & 2 & 3 & 4 & 5 & 6 \\ \hline \text{No. of families} & 7 & 11 & 6 & 7 & 7 & 5 & 3 \end{array}\)
Find the mode and median respectively of the distribution above

A2, 1
B1, 2
C1, 5
D5, 2
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Question 40
jamb 1992

\(\begin{array}{c|c} x & 2 & 4 & 6 & 8\\ \hline f & 4 & y & 6 & 5 \end{array}\)
If the mean of the above frequency distribution is 5.2, find y

A6.0
B5.2
C5.0
D4.0
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