Mathematics Past Questions

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

46 questions
Question 1 of 20 46 total questions
Question 1
jamb 1995

The mean and the range of the set of numbers 1.20, 1.00, 0.90, 1.40, 0.80, 1.20, and 1.10 are m and r, respectively. Find m + r 

A1.11
B1.65
C1.85
D2.45
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Question 2
jamb 1995

In the diagram, find PQ if the area of triangle PQR is 35cm\(^2\)

A7cm
B10cm
C14cm
D17cm
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Question 3
jamb 1995
In the diagram, the base diameter is 14cm while the height is 12cm. Calculate the total surface area if the cylinder has both a base and a top.[\(\pi \frac{22}{7}\)]
A836cm2
B308cm2
C528cm2
D154cm2
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Question 4
jamb 1995

PT is a tangent to the circle TYZX. YT = YX and < PTX = 50o. Calculate < TZY

A50o
B65o
C85o
D130o
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Question 5
jamb 1995

Determine the value of x in the figure

A134o
B81o
C53o
D46o
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Question 6
jamb 1995
Use the graph of the curve y = f(x)to solve the inequality f(x) \(\leq\) 0
A-1 \(\geq\) x \(\geq\) 1, x \(\geq\) 2
Bx \(\leq\) -1, 1 \(\geq\) x \(\geq\) 2
Cx \(\geq\) -1, 1 \(\geq\) x \(\geq\) 2
Dx \(\geq\) 2, -1 \(\geq\) x \(\geq\) 1
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Question 7
jamb 1995

A die has four of it's faces coloured white and the remaining two coloured black. What is the probability that when the die is thrown two consecutive time, the top face will be white in both cases?

A\(\frac{5}{3}\)
B\(\frac{1}{9}\)
C\(\frac{4}{9}\)
D\(\frac{1}{36}\)
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Question 8
jamb 1995
Let p be a probability function on set S, where S = (a1, a2, a3, a4). Find P(a1) if P(a2) = \(\frac{1}{3}\), p(a3) = \(\frac{1}{6}\) and p(a4) = \(\frac{1}{5}\)
A\(\frac{7}{3}\)
B\(\frac{2}{3}\)
C\(\frac{1}{3}\)
D\(\frac{3}{10}\)
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Question 9
jamb 1995
\(\begin{array}{c|c} \text{Class Interval} & Frequency & \text{Class boundaries} & Class Mid-point \\ \hline 1.5 - 1.9 & 2 & 1.45 - 1.95 & 1.7\\ 2.0 - 2.4 & 21 & 1.95 - 2.45 & 2.2\\ 2.5 - 2.9 & 4 & 2.45 - 2.95 & 2.7 \\ 3.0 - 2.9 & 15 & 2.95 - 3.45 & 3.2\\ 3.5 - 3.9 & 10 & 3.45 - 3.95 & 3.7\\ 4.0 - 4.4 & 5 & 3.95 - 4.45 & 4.2\\ 4.5 - 4.9 & 3 & 4.45 - 4.95 & 4.7\end{array}\)
The median of the distribution above is
A4.0
B3.4
C3.2
D3.0
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Question 10
jamb 1995

\(\begin{array}{c|c} \text{Class Interval} & Frequency & \text{Class boundaries} & Class Mid-point \\ \hline 1.5 - 1.9 & 2 & 1.45 - 1.95 & 1.7\\ 2.0 - 2.4 & 1 & 1.95 - 2.45 & 2.2\\ 2.5 - 2.9 & 4 & 2.45 - 2.95 & 2.7 \\ 3.0 - 2.9 & 15 & 2.95 - 3.45 & 3.2\\ 3.5 - 3.9 & 10 & 3.45 - 3.95 & 3.7\\ 4.0 - 4.4 & 5 & 3.95 - 4.45 & 4.2\\ 4.5 - 4.9 & 3 & 4.45 - 4.95 & 4.7\end{array}\)
Find the mode of the distribution.

A3.2
B3.3
C3.7
D4.2
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Question 11
jamb 1995

The variance of the scores 1, 2, 3, 4, 5 is

A1, 2
B1, 4
C2.0
D3.0
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Question 12
jamb 1995

\(\begin{array}{c|c} class& 1 - 3 & 4 - 6 & 7 - 9\\ \hline Frequency & 5 & 8 & 5\end{array}\)
Find the standard deviation of the data using the table above

A5
B\(\sqrt{6}\)
C\(\frac{5}{3}\)
D\(\sqrt{5}\)
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Question 13
jamb 1995

The pie chart shows the distribution of students in a secondary school class. If 30 students offered French, how many offered C.R.K?

 

 

 

 

A25
B15
C10
D8
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Question 14
jamb 1995

\(\begin{array}{c|c} \text{Age in years} & 13 & 14 & 15 & 16 & 17 \\ \hline \text{No. of students} & 3 & 10 & 30 & 42 & 15\end{array}\)
The frequency distribution above shows the ages of students in a secondary school. In a pie chart constructed to represent the data, the angles corresponding to the 15 years old is

A27o
B30o
C54o
D108o
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Question 15
jamb 1995

Find the area bounded by the curve y = 3x\(^2\) - 2x + 1, the ordinates x = 1 and x = 3 and the x-axis.

A24
B22
C21
D20
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Question 16
jamb 1995
Two variables x and y are such that \(\frac{dy}{dx}\) = 4x - 3 and y = 5 when x = 2. Find y in terms of x
A2x2 - 3x + 5
B2x2 - 3x + 3
C2x2 - 3x
D4
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Question 17
jamb 1995

For what value of x is the tangent to the curve y = x\(^2\) - 4x + 3 parallel to the x-axis?

A3
B2
C1
D6
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Question 18
jamb 1995

The derivative of cosec x is

Atan x cosec x
B-cot x cosec x
Ctan x sec x
D-cot x sec x
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Question 19
jamb 1995
A school boy lying on the ground 30m away from the foot of a water tank tower observes that the angle of elevation of the top of the tank 60o. Calculate the height of the water tank.
A60m
B30 \(\sqrt{3}\)m
C20 \(\sqrt{3}\)m
D10 \(\sqrt{3}\)m
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Question 20
jamb 1995

P is on the locus of points equidiatant from two given points X and Y. UV is a straight line throuh Y parallel to the locus. If < PYU is 40°, find < XPY.

A100o
B80 o
C50 o
D40 o
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