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Mathematics Past Questions

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1,853 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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1,853 questions

Question 1 of 20 1,853 total questions

Question 521

waec 2004

Use the graph to answer the Question below
What are the roots of the equation x² + 3x - 4 = 0?

A1, 4

B-1, -4

C-1, 4

D-4, 1

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Question 522

waec 2004

The diagram is a circle centre O. Find the value of x

A30^o

B50^o

C61^o

D78^o

E65.5\(^{\circ}\)

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Question 523

waec 2004

Simplify \(\frac{2}{a+b}-\frac{1}{a-b}\)

A\(\frac{3}{a+b}\)

B\(\frac{a-3b}{a^2-b^2}\)

C\(\frac{3a-b}{a^2 – b^2}\)

D\(\frac{a-3b}{a^2+b^2}\)

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Question 524

waec 2004

A boy walks 800m in 20 minutes. Calculate his average speed in km per hour

A2.4

C16

D24

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Question 525

waec 2004

Find the range of values of x for which\(\frac{x+2}{4}-\frac{x+1}{3}>\frac{1}{2}\)

Ax > 4

Bx > -4

Cx < 4

Dx < -4

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Question 526

waec 2004

The table above gives the marks scored by a group of students in a test Use the table to answer the Question below
What is the probability of selecting a student from the group that scored 2 or 3?

A\(\frac{1}{11}\)

B\(\frac{5}{22}\)

C\(\frac{7}{22}\)

D\(\frac{6}{11}\)

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Question 527

waec 2004

The table above gives the marks scored by a group of students in a test. Use the table to answer the Question below
What is the median mark?

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Question 528

waec 2004

In the diagram, PQRW is a circle. Line PW and QR are produced to meet at M, where ∠WMR = 30o and |WM| = |MR| Find the value of x

A10^o

B25^o

C35^o

D60^o

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Question 529

waec 2004

Given that \(\sqrt{128}+\sqrt{18}-\sqrt{K} = 7\sqrt{2}\), find K,

B16

C32

D48

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Question 530

waec 2004

Find the average of the first four prime numbers greater than10

A20

B19

C17

D15

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Question 531

waec 2004

In the diagram, O is the centre of the circle where OS//QR and ∠SOR = 35º. Find the value of ∠QPR.

A35^o

B45^o

C55^o

D70^o

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Question 532

waec 2004

A point X is on the bearing 342^o from a point Y. What is the bearing of Y from X?

A342^o

B252^o

C198^o

D162^o

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Question 533

waec 2004

Find the mean deviation of 6, 7, 8, 9, 10

A1.2

B1.5

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Question 534

waec 2004

In the diagram, KS is a tangent to the circle centre O at R and ∠ROQ = 80º. Find ∠QRS.

A90^o

B80^o

C50^o

D40^o

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Question 535

waec 2004

Given that ξ = {1, 2, 3, . . . . . . ,10}, P= (x : x is prime) and Q = {y : y is odd}, find P'∩Q

A{2}

B{1,9}

C{315.7}

D{4, 6, 8, 10}

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Question 536

waec 2004

Find the sum of the roots of the equation 2x² + 3x - 9 = 0

A-18

B-6

C\(-\frac{9}{2}\)

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

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Question 537

waec 2004

What is the volume of a solid cylinder of diameter 7cm and height 7cm? (Take \(\pi = \frac{22}{7}\))

A38.5cm³

B77cm³

C269.5cm³

D1078cm³

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Question 538

waec 2004

Factorise 27p²x² - 48y².

A9(3px - 4y)²

B3(3px - 4y)(3px - 4y)

C9(px - 4y)(3p x + 4y)

D3(3px -4y)(3px +4y)

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Question 539

waec 2004

In the diagram, ∆XYZ is similar to ∆PRQ, |XY| = 5cm, |XZ| =3.5cm and |PR| = 8cm. Find |PQ|

A5.6 cm

B11.2cm

C11.4cm

D28.0cm

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Question 540

waec 2004

Find, correct to two decimal places, the mean of 9, 13, 16, 17, 19, 23, 24.

A23.00

B17.29

C16.50

D16.33

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