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Mathematics Past Questions

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1,853 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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Past Questions

1,853 questions

Question 1 of 20 1,853 total questions

Question 811

waec 1992

The data below shows the number of worker?
employed in the various sections of a construction
company in Lagos.

Carpenters 24 Labourers 27
Plumbers 12 Plasterers 15
Painters 9 Messengers 3
Bricklayers 18

If one of the workers is absent on a certain day,
what is the probability that he is a bricklayer?

A1/12

B1/9

C2/9

D1/6

E1/4

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Question 812

waec 1992

Three balls are drawn one after the other with replacement, from a bag containing 5 red, 9white and 4 blue identical balls, What is the probability that they are one red, one white and one blue?

A5/102

B5/136

C5/162

D5/204

E5/243

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Question 813

waec 1992

A fair die is rolled once. What is the probability of
obtaining 4 or 6?

A1/12

B1/6

C1/3

D1/2

E2/3

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Question 814

waec 1992

What is the probability of throwing a number greater than 2 with a single fair die

A1/6

B1/3

C1/2

D2/3

E5/6

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Question 815

waec 1992

A number is chosen at random from the set (1 ,2,3
....,9, 10). What is the probability that the number
is greater than or equal to 7?

A1/10

B3/10

C2/5

D3/5

E7/10

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Question 816

waec 1992

Marks	1	2	3	4	5	6	7	8	9	10
No of students	1	3	2	0	1	6	1	0	1	0

The table above shows the scores of 15 students in a Physics test.

How many students scored at least 5?

E14

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Question 817

waec 1992

A group of students measured a certain angle
(to the nearest degree) and obtained the following
results: 75o, 76o, 72o, 73o, 74o, 79o, 72o, 72o, 77o,
72o, 71o, 70o, 78o, 73o. Find the mode

A79^o

B78^o

C74^o

D73^o

E72^o

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Question 818

waec 1992

The data below shows the frequency distribution
of marks scored by a group of students in a class
test.

Find the mean mark.

B1.3

E3.8

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Question 819

waec 1992

The data below shows the frequency distribution
of marks scored by a group of students in a class
test.

What is the modal score

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Question 820

waec 1992

The data above shows the frequency distribution
of marks scored by a group of students in a class
test.

How many students took the test?

A13

B14

C15

D18

E20

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Question 821

waec 1992

Find the median of the following set of scores:
65, 72, 55, 48, 78

A55

B60

C63.5

D65

E72

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Question 822

waec 1992

Points X and Y are respectively 12m North and 5m east of point Z. Calculate XY

A7m

B12m

C13m

D17m

E18m

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Question 823

waec 1992

A cliff on the bank of a river is 300 metres
high. if the angle of depression of a point on the
opposite side of the river is 60° find the width of
the river.

A100m

B75√3m

C100√3m

D200√3m

E300m

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Question 824

waec 1992

A ladder leans against a vertical wall at an angle
60° to the wall, if the foot of the ladder is 5 metres
away from the wall, calculate the length of the
ladder.

A\(\frac{5\sqrt3}{3}\)m

B5m

C\(\frac{10\sqrt3}{3}\)m

D5√3m

E10m

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Question 825

waec 1992

Town P is on bearing 315^o from town Q while town R is south of town P and west of town Q. lf town R is 60km away from Q, how far is R from P?

A30km

B42km

C45km

D60km

E120km

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Question 826

waec 1992

The value of sin 210° is

A\(-\frac{1}{2}\)

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

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

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

E\(\frac{\sqrt{3}}{2}\)

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Question 827

waec 1992

The value of tan 315°

B√2/2

D-1

E-√2/2

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Question 828

waec 1992

If cos θ = 5/13, what is the value of tan \(\theta\) for 0 < θ < 90° ?

A13

C13/5

D12/5

E5/12

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Question 829

waec 1992

Sin 60° has the same value as I. Sin 120° II. cos 240° III. -sin 150° IV. cos 210° V. sin 240°

AI only

BII only

CIV only

DIII only

EIV and V only

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Question 830

waec 1992

In the diagram above, PQT is an isosceles triangle.|PQ| = |QT|, ∠SRQ = 75°, ∠QPT = 25° and PQR is straight line. Find ∠RST

A20^o

B50^o

C55^o

D70^o

E75^o

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