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Mathematics Past Questions

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

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94 questions

Question 1 of 20 94 total questions

Question 21

waec 2017

A sum of N18,100 was shared among 5 boys and 4 girls with each boy taking N20.00 more than each girl. Find a boy's share.

AN1,820.00

B2,000.00

CN2,020.00

DN2,040.00

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Question 22

waec 2017

Solve the equation: \(\frac{1}{5x} + \frac{1}{x}\)= 3

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

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

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

D\(\frac{4}{5}\)

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Question 23

waec 2017

If x = \(\frac{2}{3}\) and y = - 6, evaluate xy - \(\frac{y}{x}\)

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Question 24

waec 2017

Given that a = log 7 and b = \(\log\) 2, express log 35 in terms of a and b.

Aa + b + 1

Bab - 1

Ca - b + 1

Db - a + 1

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Question 25

waec 2017

If M = {x : 3 \(\leq\) x < 8} and N = {x : 8

Aiii only

Bi and ii

Cii and iii only

Di, ii and iii

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Question 26

waec 2017

The ages of Tunde and Ola are in the ratio 1:2. If the ratio of Ola's age to Musa's age is 4:5, what is the ratio of Tunde's age to Musa's age?

A1 : 4

B1 : 5

C2 : 5

D5 : 2

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Question 27

waec 2017

Evaluate \(\frac{3\frac{1}{4} \times 1\frac{3}{5}}{11\frac{1}{3} - 5 \frac{1}{3}}\)

A\(\frac{14}{15}\)

B\(\frac{13}{15}\)

C\(\frac{4}{5}\)

D\(\frac{11}{15}\)

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Question 28

waec 2017

If x varies inversely as y and y varies directly as z, what is the relationship between x and z?

Ax \(\alpha\) z

Bx \(\alpha\) \(\frac{1}{z}\)

Ca \(\alpha\) z\(^2\)

Dx \(\alpha\) \(\frac{1}{z^2}\)

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Question 29

waec 2017

Express 0.0000407, correct to 2 significant figures

A0.0

B0.00004

C0.000041

D0.0000407

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Question 30

jamb 2017

What is the product of 2x² − x + 1 and 3 − 2x

A4x³ − 8x² + 5x + 3

B−4x³ + 8x² − 5x + 3

C−4x³ − 8x² + 5x + 3

D4x³ + 8x² − 5x + 3

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Question 31

jamb 2017

Evaluate 1 − (\(\frac{1}{5}\) x 1\(\frac{2}{3}\)) + (5 + 1\(\frac{2}{3}\))

C\(\frac{22}{3}\)

D3\(\frac{2}{3}\)

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Question 32

jamb 2017

Find the range of the following set of numbers 0.4, −0.4, 0.3, 0.47, −0.53, 0.2 and −0.2

A1.03

B0.07

C0.03

D1.0

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Question 33

jamb 2017

If α and β are the roots of the equation 3x2 + 5x - 2 = 0, find the value of 1/α + 1/β

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

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

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

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

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Question 34

jamb 2017

If \(\frac{2 \sqrt{3} - \sqrt{2}}{\sqrt{3} + 2 \sqrt{2}}\) = m + n √ 6,

find the values of m and n respectively

A1, − 2

B− 2, n = 1

C\(\frac{-2}{5}\), 1

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

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Question 35

jamb 2017

Simplify (\(\sqrt[3]{64a^3})^{-1}\)

A4a

B\(\frac{1}{8a}\)

C8a

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

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Question 36

jamb 2017

Find the gradient of the line joining the points (3, 2) and (1, 4)

A3/2

B2/1

C-1

D3/2

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Question 37

jamb 2017

The operation * on the set R of real number is defined by x * y = 3x + 2y − 1, find 3* − 1

B- 9

D- 6

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Question 38

jamb 2017

Make S the subject of the relation
p = s + \(\frac{sm^2}{nr}\)

As = \(\frac{nrp}{nr + m^2}\)

Bs = nr + \(\frac{m^2}{mrp}\)

Cs = \(\frac{nrp}{mr}\) + m²

Ds = \(\frac{nrp}{nr}\) + m²

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Question 39

jamb 2017

Factorize completely X\(^2\)+2XY+Y\(^2\)+3X+3Y-18

A(x + y + 6)(x + y -3)

B(x - y - 6)(x - y + 3)

C(x - y + 6)(x - y - 3)

D(x + y - 6)(x + y + 3)

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Question 40

jamb 2017

In the diagram above MN is a chord of a circle KMN centre O and radius 10cm. If < MON = 140°, find, to the nearest cm, the length of the chord MN.

A10cm

B19cm

C17cm

D12cm

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