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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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4,407 questions

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Question 1211

jamb 2003

If \(\left| \begin{array}{cc} -x & 2 \\ 4x &1 \end{array} \right|\) = \(\left| \begin{array}{cc} 3 & 3x \\ 4 & -5 \end{array} \right|\), find the value of x

C-2

D-5

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Question 1212

jamb 2003

The histogram above shows the ages of victims of a pollution. How many people were involved in the pollution?

A20

B21

C15

D18

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Question 1213

jamb 2003

Two dice are thrown. What is the probability that the sum of the numbers is divisible by 3?

A\(\frac{1}{4}\)

B\(\frac{2}{3}\)

C\(\frac{1}{2}\)

D\(\frac{1}{3}\)

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Question 1214

jamb 2003

Which of the following is the graph of Sin\(\theta\) for -\(\frac{\pi}{2}\) \(\leq\) 0 \(\leq\) \(\frac{3\pi}{2}\)?

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Question 1215

jamb 2003

The mean of the numbers 3, 6, 4, x, and 7 is 5. Find the standard deviation.

A\(\sqrt{2}\)

B\(\sqrt{3}\)

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Question 1216

jamb 2003

A triangle has vertices P(-1,6), Q(-3, -4) and R(1, -4).Find the midpoint of PQ and QR respectively.

A(0,-2) and (-1, -4)

B(-1,0) and (-1,-1)

C(-2,1) and (0,1)

D(-2,1) and (-1,-4)

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Question 1217

jamb 2003

In the diagram above, PQR is a straight line and PS is a tangent to the circle QRS with /PS/ = /SR/ and ∠SPR = 40°. Find ∠PSQ

A40^o

B30^o

C20^o

D10^o

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Question 1218

jamb 2003

XYZ is a circle with center O and a radius 7cm. Find the area of the shaded region.

A84cm²

B77cm²

C38cm²

D14cm²

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Question 1219

jamb 2003

In the diagram above, PQ is parallel to RS. What is the value of α + β + γ?

A360^o

B200^o

C180^o

D90^o

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Question 1220

jamb 2003

Find the equation of the locus of a point P(x,y) which is equidistant from Q(0,0) and R(2,1).

A4x + 2y = 5

B4x - 2y = 5

C2x + 2y = 5

D2x + y = 5

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Question 1221

jamb 2003

An arc of a circle subtends an angle of 30° on the circumference of a circle of radius 21cm. Find the length of the arc.

A11cm

B22cm

C44cm

D66cm

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Question 1222

jamb 2003

An aeroplane flies due north from airport P to Q and then flies due east R. If Q is equidistant from P and R, find the bearing of P and R

A90^o

B135^o

C225^o

D270^o

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Question 1223

jamb 2003

The result of tossing a fair die 120 times is summarized below. Find the value of x

Number	1	2	3	4	5	6
Frequency	12	20	x	21	x - 1	28

A19

B20

C21

D22

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Question 1224

jamb 2003

A bag contains 5 blacks balls and 3 red balls. Two balls are picked at random without replacement. What is the probability that a black and red balls are picked?

A\(\frac{15}{28}\)

B\(\frac{13}{28}\)

C\(\frac{5}{14}\)

D\(\frac{3}{14}\)

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Question 1225

jamb 2003

Find the number of committees of three that can be formed consisting of two men and one woman from four men and three women

C18

D24

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Question 1226

jamb 2003

If \(^{n}P_{3} - 6(^{n}C_{4}) = 0\), find the value of n.

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Question 1227

jamb 2003

On a pie chart, there are four sectors of which three angles are 45°, 90° and 135°. If the smallest sector represents N28.00, how much is the largest sector?

AN96.00

BN84.00

CN48.00

DN42.00

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Question 1228

jamb 2003

Find the mean of the distribution above

value	0	1	2	3	4
Frequency	1	2	2	1	9

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Question 1229

jamb 2003

The range of 4, 3, 11, 9, 6, 15, 19, 23, 27, 24,21 and 16 is

A16

B21

C23

D24

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Question 1230

jamb 2003

By how much is the mean of 30, 56, 31, 55, 43 and 44 less than the median?

A0.75

B0.50

C0.33

D0.17

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