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Mathematics Past Questions

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

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133 questions

Question 1 of 20 133 total questions

Question 41

waec 2008

P naira invested for 4 years invested for 4 years at r% simple interest per annum yields 0.36 p naira interest. Find the value of r

A1\(\frac{1}{9}\)

B1\(\frac{4}{9}\)

D11

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Question 42

waec 2008

Simplify \(\sqrt{50} + \frac{10}{\sqrt{2}}\)

A10

B10\(\sqrt{2}\)

C20

D20\(\sqrt{2}\)

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Question 43

waec 2008

Evaluate \(\frac{(3.2)^2 - (4.8)^2}{3.2 + 4.8}\)

A-0.08

B-1.60

C-10.24

D-12.80

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Question 44

waec 2008

If x% of 240 equals 12, find x

Ax = 1

Bx = 3

Cx = 5

Dx = 7

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Question 45

jamb 2008

A student sitting on a tower 68 metres high observes his principal's car at the angle of depression of 20o. How far is the car from the bottom of the tower to the nearest metre?

A184m

B185m

C186m

D187m

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Question 46

jamb 2008

Calculate the distance between points L(-1, -6) and M(-3, -5)

A√5

B2√3

C√20

D√50

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Question 47

jamb 2008

\(\begin{pmatrix} -2 & 1 \\ 2 & 3 \end{pmatrix}\) \(\begin{pmatrix}p & q \\ r & s\end{pmatrix}\) = \(\begin{pmatrix} 1 & 0 \\0 & 1 \end{pmatrix}\). What is the value of r?

A-\(\frac{1}{8}\)

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

C\(\frac{5}{8}\)

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

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Question 48

jamb 2008

Find the values of x and y respectively if
\(\begin{pmatrix} 1 & 0 \\ -1 & -1\\ 2 & 2 \end{pmatrix}\) + \(\begin{pmatrix} x & 1 \\ -1 & 0\\ y & -2 \end{pmatrix}\) = \(\begin{pmatrix} -2 & 1 \\ -2 & -1\\ -3 & 0 \end{pmatrix}\)

A-3, -2

B-5, -3

C-2, -5

D-3, -5

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Question 49

jamb 2008

The result of rolling a fair die 150 times is as summarized in the table above. What is the probability of obtaining a 5?

A³/₁₀

B¹/₅

C¹/₆

D¹/₁₀

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Question 50

jamb 2008

The probability of picking a letter T from the word OBSTRUCTION is?

A¹/₁₁

B²/₁₁

C³/₁₁

D⁴/₁₁

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Question 51

jamb 2008

Find the number of ways of selecting 6 out of 10 subjects for an examination

A128

B216

C215

D210

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Question 52

jamb 2008

In how many ways can the letters of the word ACCEPTANCE be arranged?

A\(\frac{10!}{(2!2!3!)}\)

B\(\frac{10!}{( 2!3!)}\)

C\(\frac{10!}{(2!2!)}\)

D10!

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Question 53

jamb 2008

Find the mean deviation of 2, 4, 5, and 9

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Question 54

jamb 2008

If x > 0, find the range of number x-3, 3x+2,x-1, 4x, 2x-1, x-2, 2x-2, 3x and 3x+1

A3x+3

B3x+1

C2x+5

D2x+1

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Question 55

jamb 2008

Find the median of 4, 1, 4, 1, 0, 4, 4, 2 and 0

Azero

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Question 56

jamb 2008

What is the mean of the data t, 2t-1, t-2, 2t -1, 4t and 2t+2?

A2t

B2t-1

C²/₃t+1

D2t-¹/₃

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Question 57

jamb 2008

The bar chart above shows the number of times the word "a, and , in, it, the ,to" appear in a paragraph in a book.

What is the ratio of the least frequent word to the most frequent word?

A¹/₆

B¹/₃

C²/₃

D³/₄

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Question 58

jamb 2008

On a pie chart there are six sectors of which four angles are 30°, 45°, 60°, 90° and the remaining two angles are in the ratio 2:1. Find the smallest angles of the remaining two angles.

A15^o

B30^o

C45^o

D60^o

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Question 59

jamb 2008

Evaluate \(\int^{\frac{\pi}{2}} _{\frac{-\pi}{2}} cos x dx\)

Azero

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Question 60

jamb 2008

Evaluate \(\int_1 ^2(6x^2-2x)dx\)

A16

B13

C12

D11

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