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Mathematics Past Questions

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2,359 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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2,359 questions

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Question 231

jamb 2018

A school girl spends \(\frac{1}{4}\) of her pocket money on books and \(\frac{1}{3}\) on dress. What fraction remains?

A\(\frac{5}{6}\)

B\(\frac{7}{12}\)

C\(\frac{5}{12}\)

D\(\frac{1}{6}\)

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Question 232

jamb 2018

Solve for t in the equation \(\frac{3}{4}\)t + \(\frac{1}{3}\)(21 - t) = 11

A\(\frac{9}{13}\)

B\(\frac{7}{13}\)

D9\(\frac{3}{5}\)

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Question 233

jamb 2018

Find the value of x in the diagram

A10°

B28°

C36°

D40°

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Question 234

jamb 2018

If y = 23\(_{five}\) + 101\(_{three}\) , find y, leaving your answer in base two

A1110

B10111

C11101

D111100

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Question 235

jamb 2018

A trader realises 10x - x\(^2\) Naira profit from the sale of x bags of corn. How many bags will give him the maximum profit?

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Question 236

jamb 2018

The pie chart shows the monthly expenditure of a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is N7200?

A1000

B2000

C3000

D4000

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Question 237

jamb 2018

Find the values of x for which

\(\frac {x+2}{4}\) - \(\frac{2x - 3}{3}\) < 4

Ax < 8

Bx > -6

Cx < 4

Dx > -3

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Question 238

jamb 2018

In a class of 40 students, 32 offer Mathematics, 24 offer Physics and 4 offer neither Mathematics nor Physics. How many offer both Mathematics and Physics?

C16

D20

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Question 239

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 240

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 241

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 242

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 243

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 244

jamb 2017

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

A4a

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

C8a

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

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Question 245

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 246

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 247

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 248

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 249

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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Question 250

jamb 2017

Find ∫(x² + 3x − 5)dx

A\(\frac{x_3}{3}\) - \(\frac{3x_2}{2}\) - 5x + k

B\(\frac{x_3}{3}\) - \(\frac{3x_2}{2}\) + 5x + k

C\(\frac{x_3}{3}\) + \(\frac{3x_2}{2}\) - 5x + k

D\(\frac{x_3}{3}\) + \(\frac{3x_2}{2}\) + 5x + k

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