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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 2161

jamb 1979

A father is now three times as old as his son. Twelve years ago he was six times as old as his son. How old are the son and the father?

A20 and 45

B100 and 150

C45 and 65

D35 and 75

E20 and 60

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Question 2162

jamb 1979

If y = x\(^2\) - 2x - 3, find the least value of y and the corresponding value of x

Ax = 3, y = 3

Bx = 1, y = -3

Cx = 4, y = 1

Dx = 1, y = -4

Ex = 2, y = -3

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Question 2163

jamb 1979

The following table relates the number of objects f corresponding to a certain size x. What is the average size of an object?
\(\begin{array}{c|c} f & 1 & 2 & 3 & 4 & 5 \\ \hline x & 1 & 2 & 4 & 8 & 16\end{array}\)

A\(\frac{31}{15}\)

B\(\frac{31}{5}\)

C\(\frac{129}{5}\)

D\(\frac{43}{5}\)

E\(\frac{16}{5}\)

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Question 2164

jamb 1979

The size of a quantity first doubles and then increases by a further 16%. After a short time its size decreases by 16%. What is the net increases in size of the quantity?

A\(\frac{59300}{625}\)

B\(\frac{50900}{625}\)

C200%

D+100%

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Question 2165

jamb 1979

What is log\(_7{(49^a)}\) - log\(_{10}^{(0.01)}\)?

A\(\frac{49^a}{100}\)

B\(\frac{a}{2}\) + 2

C7^2a + 2

D2a + 2

E\(\frac{2a}{2}\)

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Question 2166

jamb 1979

What is the greatest straight line distance between two vertices (corners) of a cube whose sides are 2239cm long?

A\(\sqrt{2239cm}\)

B\(\sqrt{2}\) x 2239cm

C\(\frac{\sqrt{3}}{2}\) 2239cm

D\(\sqrt{3}\) x 2239cm

E4478cm

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Question 2167

jamb 1979

An arc of circle of radius 2cm subtends an angle of 60º at the centre. Find the area of the sector

A\(\frac{2 \pi}{3}\)cm²

B\(\frac{\pi}{2}\)cm²

C\(\frac{\pi}{3}\)cm²

D\(\pi\)cm²

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Question 2168

jamb 1979

A cylinder of height h and radius r is open at one end. Its surface area is

A2\(\pi\)rh

B\(\pi\)r²h

C2\(\pi\)rh + \(\pi\)r²

D2\(\pi\)rh + 2\(\pi\)r²

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Question 2169

jamb 1979

Simplify \(\frac{1 - x^2}{x - x^2}\), where x \(\neq\) 0

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

B\(\frac{1 - x}{x}\)

C\(\frac{1 + x}{x}\)

D\(\frac{1}{x - 1}\)

E\(\frac{-x - 1}{1}\)

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Question 2170

jamb 1979

For the set of numbers 2, 3, 5, 6, 7, 7, 8

AThe median is greater than the mode

Bthe mean is greater than the mode

Cthe mean is greater than the median

Dthe median is equal to the mean

Ethe mean is less than the median

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Question 2171

jamb 1979

12 men complete a job in 9 days. How many men working t the same rate would be required to complete the job in 6 days?

A24

B18

C12

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Question 2172

jamb 1979

Find the value of log\(_{10}\)\(\frac{1}{40}\), given that log10\(_4\) = 0.6021

A1.3979

B2.3979

C-1.6021

D2.6021

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Question 2173

jamb 1979

Find the value of (4\(^{\frac{1}{2}}\))\(^6\)

E64

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Question 2174

jamb 1979

If x\(^3\) - 12x - 16 = 0 has x = -2 as a solution then the equation has

Ax = -4 as a solution also

B3 roots all different

C3 roots with two equal and the third different

D3 roots all equal

Eonly one root

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Question 2175

jamb 1979

Solve the simultaneous linear equations: 2x + 5y = 11, 7x + 4y = 2

Ax = -8, y = 1

Bx = -2, y = 4

Cx = \(\frac{-34}{27}\), y = \(\frac{73}{27}\)

Dx = 7, y = -9

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Question 2176

jamb 1979

On each market day Mrs. Bassey walks to the market from her home at a steady speed. This journey normally takes her 2 hours to complete. She finds, however, that by increasing her usual speed by 1 km/hr she can save 20 minutes. Find her usual speed in km/hr

A1\(\frac{2}{3}\)

E10

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Question 2177

jamb 1979

Which of the following values of the variable x, (a)x = 0, (b)x = -3, (c)x = 9, satisfy the inequalities 0 < \(\frac{x + 3}{x - 1}\) < 2?

A(a), (b), (c)

B(c)

CNone of the choices

DAll of the above

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Question 2178

jamb 1979

Make c the subject of the equation a(b + c) + \(\frac{5}{d}\) - 2 = 0

Ac = \(\frac{2d - 5 - b}{ad}\)

Bc = \(\frac{2d - 5 - abd}{ad}\)

Cc = \(\frac{2d - 5 - ab}{ad}\)

Dc = \(\frac{5 - 2d - b}{ad}\)

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Question 2179

jamb 1979

PQRS is a cyclic quadrilateral with PQ as diameter of the circle. If < PQS = 15^o find < QRS

A75^o

B37\(\frac{1}{2}\)^o

C127\(\frac{1}{2}\)^o

D105^o

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Question 2180

jamb 1979

One of the following statements is wrong. Which is it?

AIf a triangle is equiangular then it is also equilateral

BIf a triangle is equilateral then it is also then it is also equiangular

CIf two triangles are similar then they are also congurent

DThe sum of the interior angles of any triangle is 180 degrees

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