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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 971

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 972

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 973

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 974

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 975

waec 2007

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

C1/2

D-3

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Question 976

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

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Question 977

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

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Question 978

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 979

waec 2007

Which of the following is true for the set \(P = \{-3.2\leq x< 5\}\) 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 980

waec 2007

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

A\(29\sqrt{5}\)

B\(14\sqrt{15}\)

C\(12\sqrt{15}\)

D\(11\sqrt{5}\)

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Question 981

waec 2007

If \(p\propto \frac{1}{q}\), which of the following is true?

A\(\propto p^{2}\)

B\(p\propto \frac{1}{q^{2}}\)

C\(q\propto \sqrt{p}\)

D\(q\propto \frac{1}{p}\)

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Question 982

waec 2007

Simplify \((0.3\times 10^{5})\div (0.4\times 10^{7})\)leaving your answer in standard form

A\(7.5\times 10^{-4}\)

B\(7.5\times 10^{-3}\)

C\(7.5\times 10^{-2}\)

D\(7.5\times 10^{-1}\)

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Question 983

waec 2007

Find the LCM of \(2^{3}\times 3\times 5^{2}, 2\times 3^{2}\times 5 \hspace{1mm}and \hspace{1mm}2^{2}\times 3^{2}\times 5\)

A\(2^{2}\times 3^{3}\times 5^{2}\)

B\(2^{3}\times 3^{23}\times 5\)

C\(2^{2}\times 3^{2}\times 5^{2}\)

D\(2^{3}\times 3^{3}\times 5^{2}\)

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Question 984

waec 2007

Evaluate \((111_{two})^2\) and leave your answer in base 2

A\(111001_{two}\)

B\(110001_{two}\)

C\(101001_{two}\)

D\(10010_{two}\)

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Question 985

jamb 2007

If f(x) = 3x - 2I, P = \(\begin{pmatrix}2 & 1 \\-1 & 0 \end{pmatrix}\) and I is 2 x 2 identity matrix. Evaluate f(p)

A\(\begin{pmatrix}6 & -3 \\3 & 0 \end{pmatrix}\)

B\(\begin{pmatrix}2 & 0 \\0 & 2 \end{pmatrix}\)

C\(\begin{pmatrix}8 & 3 \\-3 & 2 \end{pmatrix}\)

D\(\begin{pmatrix}4 & 3 \\-3 & -2 \end{pmatrix}\)

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Question 986

jamb 2007

Evaluate \(\begin{pmatrix}3 & -2 \\-7 & 5 \end{pmatrix}\) + 2\(\begin{pmatrix}-2 & 4\\3 & -1 \end{pmatrix}\)

A\(\begin{pmatrix}-1 & 6 \\-1 & 3 \end{pmatrix}\)

B\(\begin{pmatrix}3 & 4 \\-2 & 6 \end{pmatrix}\)

C\(\begin{pmatrix}-1 & 6 \\1 & 3 \end{pmatrix}\)

D\(\begin{pmatrix}3 & 4 \\2 & 6 \end{pmatrix}\)

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Question 987

jamb 2007

The cumulative frequency for 5\(\leq\) x \(\leq\) 12 from the distribution above is

A22

B40

C46

D72

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Question 988

jamb 2007

The sum of the ages of Musa and Lawal is 28 years. After sharing a certain sum of money in the ratio of their ages, Musa gets N600 and Lawal N800. How old is Lawal?

A14 years

B20 years

C12 years

D16 years

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Question 989

jamb 2007

If y = (1 + x)², find \(\frac{dy}{dx}\)

Ax - 1

B2 + 2x

C1 + 2x

D2x - 1

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Question 990

jamb 2007

The area of a square is 144 sqcm. Find the length of the diagonal.

A13 cm

B12√2 cm

C12 cm

D11√3 cm

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