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Mathematics Past Questions

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96 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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96 questions

Question 1 of 20 96 total questions

Question 31

jamb 2013

The pie chart above shows the statistical distribution of 80 students in five subjects in an examination. Calculate how many student offer Mathematics.

A30

B11

C50

D20

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Question 32

jamb 2013

The bar chart above shows the allotment of time(in minutes) per week for selected subjects in a certain school. What is the total time allocated to the six subjects per week?

A460mins

B720mins

C960mins

D200mins

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Question 33

jamb 2013

The value x in the figure given is

A110^o

B100^o

C70^o

D130^o

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Question 34

jamb 2013

In the diagram given, find the value of x.

A30^o

B40^o

C45^o

D15^o

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Question 35

jamb 2013

The graph above is correctly represented by

Ay = x² - x - 2

By = x² - 3x + 2

Cy = x² - x - 1

Dy = x² + x - 2

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Question 36

jamb 2013

A basket contains 9 apples, 8 bananas and 7 oranges. A fruit is picked from the basket, find the probability that it is neither an apple nor an orange.

A\(\frac{3}{8}\)

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

C\(\frac{7}{24}\)

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

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Question 37

jamb 2013

What is the probability that an integer x \((1 \leq x \leq 25)\) chosen at random is divisible by both 2 and 3?

A\(\frac{1}{25}\)

B\(\frac{1}{5}\)

C\(\frac{4}{25}\)

D\(\frac{3}{4}\)

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Question 38

jamb 2013

In how many ways can 3 seats be occupied if 5 people are willing to sit?

A60

B20

D120

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Question 39

jamb 2013

In how many ways can a student select 2 subjects from 5 subjects?

A\(\frac{5!}{3!}\)

B\(\frac{5!}{2!2!}\)

C\(\frac{5!}{2!3!}\)

D\(\frac{5!}{2!}\)

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Question 40

jamb 2013

\(\begin{array}{c|c} Score & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ \hline Frequency & 1 & 0 & 7 & 5 & 2 & 3 & 1 & 1 \end{array}\)
The table above shows the scores of 20 students in further mathematics test. What is the range of the distribution?

D10

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Question 41

jamb 2013

If the variance of 3+x, 6, 4, x and 7-x is 4 and the mean is 5, find the standard deviation

A\(\sqrt{3}\)

D\(\sqrt{2}\)

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Question 42

jamb 2013

Age	20	25	30	35	40	45
No of people	3	5	1	1	2	3

Calculate the median age of the frequency distribution in the table above

A25

B30

C35

D20

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Question 43

jamb 2013

The mean of seven numbers is 10. If six of the numbers are 2, 4, 8, 14, 16 and 18, find the mode.

C14

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Question 44

jamb 2013

Find the mean of t + 2, 2t - 4, 3t + 2 and 2t.

At + 1

B2t

C2t + 1

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Question 45

jamb 2013

The radius of a circle is increasing at the rate of 0.02cms^-1. Find the rate at which the area is increasing when the radius of the circle is 7cm.

A0.75cm²S^-1

B0.53cm²S^-1

C0.35cm²S^-1

D0.88cm²S^-1

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Question 46

jamb 2013

If y = (2x + 2)\(^3\), find \(\frac{\delta y}{\delta x}\)

A3(2x +2)²

B6(2x +2)

C3(2x +2)

D6(2x +2)²

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Question 47

jamb 2013

If y = x sin x, find \(\frac{\delta y}{\delta x}\)

Asin x - cos x

Bcos x - x sin x

Ccos x + x sin x

Dsin x + x cos x

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Question 48

jamb 2013

Find the inverse \(\begin{pmatrix} 5 & 3 \\ 6 & 4 \end{pmatrix}\)

A\(\begin{vmatrix} 2 & -\frac{3}{2} \\ -3 & -\frac{5}{2} \end{vmatrix}\)

B\(\begin{vmatrix} 2 & -\frac{3}{2} \\ -3 & \frac{5}{2} \end{vmatrix}\)

C\(\begin{vmatrix} 2 & \frac{3}{2} \\ -3 & \frac{5}{2} \end{vmatrix}\)

D\(\begin{vmatrix} 2 & \frac{3}{2} \\ -3 & \frac{5}{2} \end{vmatrix}\)

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Question 49

jamb 2013

If P = \(\begin{pmatrix} 5 & 3 \\ 2 & 1 \end{pmatrix}\) and Q = \(\begin{pmatrix} 4 & 2 \\ 3 & 5 \end{pmatrix}\), find 2P + Q

A\(\begin{vmatrix} 7 & 7 \\ 14 & 8 \end{vmatrix}\)

B\(\begin{vmatrix} 14 & 8 \\ 7 & 7 \end{vmatrix}\)

C\(\begin{vmatrix} 7 & 7 \\ 8 & 14 \end{vmatrix}\)

D\(\begin{vmatrix} 8 & 14 \\ 7 & 7 \end{vmatrix}\)

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Question 50

jamb 2013

If a binary operation * is defined by x * y = x + 2y, find 2 * (3 * 4)

A24

B16

C14

D26

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