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Mathematics Past Questions

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

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117 questions

Question 1 of 20 117 total questions

Question 21

waec 2007

For what value of x is the expression \(\frac{2x - 1}{x + 3}\) not defined?

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

D-3

View Explanation & Discuss

Question 22

waec 2007

I am x years old and my brother is 3 years older. How old was my brother last year?

A(x - 4)years

B(x + 2) years

C(3x - 10years

D(3x + 1)years

View Explanation & Discuss

Question 23

waec 2007

N140,000 is shared between Abu, Kayode and Uche. Abu has twice as much as Kayode and Kayode has twice as much as Uche. What is Kayode'sshare?

AN80,000

BN40,000

CN2,000

D10,000

View Explanation & Discuss

Question 24

waec 2007

Simplify \(\frac{3x^3}{(3x)^3}\)

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

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

D\(\frac{1}{27}\)

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Question 25

waec 2007

Which of the following statement is true for the ste P = {-3.2 \(\leq\) x < 5} where x is an integer?

Aleast value of x is -3.2

Bleast value of x is -3

Cgreatest value of x is 4.9

Dgreatest value of x is 5

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Question 26

waec 2007

Simplify 3\(\sqrt{45} - 12\sqrt{5} + 16\sqrt{20}\), leaving your answer in surd form.

A29\(\sqrt{5}\)

B14\(\sqrt{15}\)

C12\(\sqrt{15}\)

D11\(\sqrt{15}\)

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Question 27

waec 2007

If p \(\alpha \frac{I}{Q}\) which of the following is true?

Aq \(\alpha p^2\)

Bq \(\alpha \frac{1}{p^2}\)

Cq \(\alpha \sqrt{p}\)

Dq \(\alpha \frac{1}{p}\)

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Question 28

waec 2007

Simplify(0.3 x 10⁵) \(\div\) (0.4 \(\times\) 10⁷), leaving you answer in the standard form.

A7.5 x 10^-4

B7.5 x 10^-3

C7.5 x 10^-2

D7.5 x 10^-1

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Question 29

waec 2007

Find the LCM of 2\(^3\) x 3 x 5\(^2\), 2 x 3\(^2\) x 5 and 2\(^3\) x 3\(^3\) x 5

A2² x 3³ x 5²

B2³ x 3³ x 5

C2² x 3² x 5²

D2³ x 3³ x 5²

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Question 30

waec 2007

Evaluate(111two)\(^2\) and leave your answer in base 2.

A111001_two

B110001_two

C101001_two

D10010_two

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Question 31

waec 2007

IN the diagram, |LN| = 4cm, LNM = 90^o and tan y = 2/3. What is the area of the ∆LMN?

A24cm²

B12cm²

C10cm²

D6cm²

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Question 32

waec 2007

A sector of a circle of radius 14cm containing an angle 60^o is folded to form a cone. Calculate the radius of the base of the cone.

A\(5\frac{1}{2}cm\)

B\(4\frac{2}{3}cm\)

C\(3\frac{1}{2}cm\)

D\(2\frac{1}{3}cm\)

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Question 33

waec 2007

A chord of length 6cm is drawn in a circle of radius 5cm. Find the distance of the chord from the center of the circle

A2.5cm

B3.0cm

C3.5cm

D4.0cm

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Question 34

waec 2007

The area of a square field is 110.25m². Find the cost of fencing it round at N75.00 per meter square

AN1,575.00

BN3,150.00

CN4,734.30

DN8,268.75

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Question 35

waec 2007

If \(8^{x+1}=\frac{1}{4}\), find x

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

B-1

C\(-\frac{1}{3}\)

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

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Question 36

waec 2007

Solve the simultaneous equation: x+y=2 and 3x-2y=1

Ax=2 and y=1

Bx=1 and y=1

Cx=1 and y=2

Dx=-1 and y=1

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Question 37

waec 2007

If x =3, y = 2 and z = 4 what is the value of \(3x^{2}-2y+z\)

A17

B27

C35

D71

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Question 38

waec 2007

For what value of x is the expression \(\frac{2x-1}{x+3}\)not defined?

C1/2

D-3

View Explanation & Discuss

Question 39

waec 2007

I am x years old and my brother is 3 years older. How old was my brother last year

A(x - 4) years

B(x + 2) years

C(3x - 1) years

D(3x + 1) years

View Explanation & Discuss

Question 40

waec 2007

N140,000 is shared between ABU, Kayode and Uche. Abu has twice as much as Kayode, and Kayode has twice as much as Uche. What is Kayode's share?

AN80,000

BN40,000

CN20,000

DN10,000

View Explanation & Discuss

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