Mathematics Past Questions

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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 1311
neco 2001

Given that \(\frac{(3 - y)}{2x}\) = \(\frac{(6y + 7)}{(4x - 5)}\), find the value of x when y = 2

A\(\frac{64}{5}\)
B6
C\(\frac{5}{34}\)
D\(\frac{-5}{34}\)
E\(\frac{-64}{5}\)
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Question 1312
neco 2001

If cos x = - \(\frac{5}{13}\) where 180° < X < 270°, what is the value of tan x -sin x ?

A\(\frac{111}{13}\)
B\(\frac{321}{65}\)
C\(\frac{216}{65}\)
D\(\frac{112}{13}\)
E\(\frac{131}{65}\)
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Question 1313
neco 2001
The mean age of 12 boys involved survey is 19 years, 3 months. lf the-age of one of the boys is 22 years, what is the mean age of the other-boys?
A10.5 years
B19.0 years
C35.4 years
D264.0 years
E423.5 years
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Question 1314
neco 2001

From the top of a storey-buliding, the angle of depression of a mango on a tree 20m away from the base of the storey building is 68°. if the mango is 4.5 m above the ground, what is the height of the storey building to the nearest metre?

A55m
B54m
C50m
D49m
E45m
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Question 1315
neco 2001

If the mean of 3, 5, 8, k, 14 and 17 is 11, what is the value of k

A58
B38
C19
D11
E967
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Question 1316
neco 2001

The bearing of a point Y from point x is 150°. What is the bearing of X from Y?

A330°
B240°
C150°
D120°
E30°
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Question 1317
neco 2001
Simplify 27\(^{-\frac{1}{3}}\) \(\times\) 64\(^{-\frac{1}{3}}\) \(\times\) 4\(^{\frac{1}{3}}\)
A48
B12
C\(\frac{4}{3}\)
D\(\frac{1}{12}\)
E\(\frac{1}{48}\)
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Question 1318
neco 2001

Find the 19th term of the A.P. \(\frac{5}{6}\), \(\frac{8}{6}\), \(\frac{11}{6}\).................

A7\(\frac{1}{2}\)
B9
C9\(\frac{1}{2}\)
D9\(\frac{5}{6}\)
E10
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Question 1319
neco 2001

Mr Aborowa bought a car for N200,000.00 and later sold it for N170,000.00. What is the percentage loss?

A11.60%
B7.60%
C15%
D17.65%
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Question 1320
neco 2001

If s = \(\sqrt{(\frac{a^2}{x^2} - \frac{b^2}{y^2})}\)what does y equal?

A\(\sqrt{\frac{(b^2 - a^2)}{(s^2 - x^2)}}\)
B\(\sqrt{\frac{(b^2 - a^2)}{(s^2 \times 2)}}\)
C\(\sqrt{\frac{x^2 - a^2 - b^2}{s}}\)
D\(\frac{x^2 - a^2 - b^2}{s}\)
E\(\sqrt{\frac{(b^2 x^2)}{(a^2 - s^2 x^2)}}\)
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Question 1321
waec 2001

In the diagram above, O is the centre of the circle. Reflex angle XOY = 210º and the length of the minor arc is 5.5m. Find, correct to the nearest metre the length of major arc.

A8m
B9m
C10m
D13m
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Question 1322
waec 2001

The number line represents

A0 > x \(\geq\) -7
B-7 \(\leq\) x < -1
C-7 < x \(\leq\) -1
D-7 < x < -1
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Question 1323
waec 2001

What is the length of \(\bar{RP}\)?

A6
B5
C3
D2
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Question 1324
waec 2001

Given that P = {b, d, e, f} and Q = {a, c, f, g} are subsets of the universal set U = {a,b, c, d, e, f, g}. Find P' ∩ Q

A{a,c}
B{a, c, d, g}
C{c, d, g}
D{a, c, g}
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Question 1325
waec 2001

The variance of a given distribution is 25. What is the standard deviation?

A125
B75
C25
D5
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Question 1326
waec 2001

PQRS is a trapezium in which |PS| = 9cm, |QR| = 15cm, |PQ| = \(2\sqrt{3}, \angle PQR = 90^o and \angle QRS = 30^o\). Calculate the area of the trapezium

A\(24\sqrt{3} cm^2\)
B\(36\sqrt{3} cm^2\)
C\(42\sqrt{3} cm^2\)
D\(72\sqrt{3} cm^2\)
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Question 1327
waec 2001

A solid cylinder of radius 7cm is 10 cm long. Find its total surface area.

A\(70\pi cm^2\)
B\(189\pi cm^2\)
C\(210\pi cm^2\)
D\(238\pi cm^2\)
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Question 1328
waec 2001

The diagram shows a triangular prism of length 7cm. The right - angled triangle PQR is a cross section of the prism |PR| = 5cm and |RQ| = 3cm. What is the volume of the prism?

A28cm2
B42cm2
C70cm2
D84cm2
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Question 1329
waec 2001

The diagram shows a triangular prism of length 7cm. The right - angled triangle PQR is a cross section of the prism |PR| = 5cm and |RQ| = 3cm. What is the area of the cross-section?

A4 cm2
B6cm2
C15cm2
D20cm2
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Question 1330
waec 2001

In the diagram, MN||PQ, |LM| = 3cm and |LP| = 4cm. If the area of ∆LMN is 18cm2, find the area of the quadrilateral MPQN

A3cm2
B6cm2
C14cm2
D24cm2
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