Mathematics Past Questions

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49 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

49 questions
Question 1 of 20 49 total questions
Question 11
waec 2017

Make x the subject of the relation d = \(\sqrt{\frac{6}{x} - \frac{y}{2}}\)

Ax = \(\frac{6 + 12}{d^2 + y}\)
Bx = \(\frac{12}{d^2 - y}\)
Cx = \(\frac{12}{y} - 2d^2\)
Dx = \(\frac{12}{2d^2 + y}\)
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Question 12
waec 2017

The roots of a quadratic equation are \(\frac{-1}{2}\) and \(\frac{2}{3}\). Find the equation.

A\(6x^2 - x + 2 = 0\)
B\(6x^2 - x - 2 = 0\)
C\(6x^2 + x - 2 = 0\)
D\(6x^2 + x + 2 = 0\)
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Question 13
waec 2017

Find the 6th term of the sequence \(\frac{2}{3} \frac{7}{15} \frac{4}{15}\),...

A-\(\frac{1}{3}\)
B-\(\frac{1}{5}\)
C-\(\frac{1}{15}\)
D\(\frac{1}{9}\)
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Question 14
waec 2017

Simplify the expression \(\frac{a^2 b^4 - b^2 a^4}{ab(a + b)}\)

 

A\(a^2 - b^2\)
B\(b^2 - a^2\)
C\(a^2b - ab^2\)
D\(ab^2 - a^2b\)
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Question 15
waec 2017

Three exterior angles of a polygon are 30\(^o\), 40\(^o\) and 60\(^o\). If the remaining exterior angles are 46\(^o\) each, name the polygon.

Adecagon
Bnonagon
Coctagon
Dhexagon
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Question 16
waec 2017

Simplify; \(\sqrt{2}(\sqrt{6} + 2\sqrt{2}) - 2\sqrt{3}\)

A4
B\(\sqrt{3} + 4\)
C4 \(\sqrt{2}\)
D4\(\sqrt{3} + 4\)
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Question 17
waec 2017

In what number base was the addition 1 + nn = 100, where n > 0, done?

An - 1
Bn + 1
Cn
Dn + 2
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Question 18
waec 2017

The average age of a group of 25 girls is 10year. If one girl, aged 12 years and 4 months joins the group, find the new average age of the group

A10.1 years
B9.3 years
C8.7 years
D8 . 3 years
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Question 19
waec 2017

Given that cos 30\(^o\) = sin 60\(^o\) = \(\frac{3}{2}\) and sin 30\(^o\) = cos 60\(^o\) = \(\frac{1}{2}\), evaluate \(\frac{tan 60^o - 1}{1 - tan 30^o}\)

A\(\sqrt{3 - 2}\)
B2 - \(\sqrt{3}\)
C\(\sqrt{3}\)
D-2
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Question 20
waec 2017

A bearing of 320\(^o\) expressed as a compass bearing is

AN 50\(^o\) W
BN 40\(^o\) W
CN 50\(^o\) E
DN 40\(^o\) E
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Question 21
waec 2017

If P(2,3) and Q)2, 5) are points on a graph, calculate the length PQ

A6 units
B5 units
C4 units
D2 units
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Question 22
waec 2017

Calculate the gradient (slope) of the joining points (-1, 1) and (2, -2)

A-1
B\(\frac{-1}{2}\)
C\(\frac{1}{2}\)
D1
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Question 23
waec 2017

Which of the following is true about parallelogram?

Aopposite angles are supplementary
Bopposite angles are complementary
Copposite angles are equal
Dopposite angles are reflex angles
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Question 24
waec 2017

If the total surface area of a solid hemisphere is equal to its volume, find the radius

A3.0cm
B4.5cm
C5.0cm
D9.0cm
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Question 25
waec 2017

The dimensions of water tank are 13cm, 10cm and 70cm. If it is half-filled with water, calculate the volume of water in litres

A4.55 litres
B7.50 litres
C8.10 litres
D9.55 litres
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Question 26
waec 2017

Water flows out of a pipe at a rate of 40\(\pi cm^2\) per seconds into an empty cylinder container of base radius 4cm. Find the height of water in the container after 4 seconds.

A10 cm
B14 cm
C16 cm
D20 cm
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Question 27
waec 2017

An arc of a circle of radius 7.5cm is 7.5cm  long. Find, correct to the nearest degree, the angle which the arc subtends at the centre of the circle. [Take \(\pi = \frac{22}{7}\)]

A29\(^o\)
B57\(^o\)
C65\(^o\)
D115\(^o\)
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Question 28
waec 2017

Simplify; 3x - (p - x) - (r - p)

A2x - r
B2x + r
C4x - r
D2x - 2p - r
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Question 29
waec 2017

Solve: - \(\frac{1}{4}\) < \(\frac{3}{4}\) (3x - 2) < \(\frac{1}{2}\)

A-\(\frac{5}{9}\) < x
B-\(\frac{8}{9}\) < x
C-\(\frac{8}{9}\) < x
D-\(\frac{7}{9}\) < x
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Question 30
waec 2017

One factor of \(7x^2 + 33x - 10\) is

A7x + 5
Bx - 2
C7x - 2
Dx - 5
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