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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

Question 1 of 20 2,359 total questions

Question 1151

jamb 1979

A trader goes to Ghana for y days with y cedis. For the first x days, he spends X cedis per day. The amount he has to spend per day for the rest of his stay is

A\(\frac{y(y - x)}{y - x}\) cedis

B\(\frac{Yy - Xx)}{y - x}\) cedis

C\(\frac{Y - Xy)}{y - x}\) cedis

D\(\frac{Y - X}{y - x}\) cedis

E\(\frac{Y - Xx}{y - x}\) cedis

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Question 1152

jamb 1979

The solution of the equation x² - 2x = 8 is

Ax = 0 or 2

Bx = -2 or 4

Cx = 2

Dx = -4

Ex = 2 or 4

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Question 1153

jamb 1979

x is directly proportional to y and inversely proportional to z. If x = 9 when y = 24 and z = 8, what is the value of x when y = 5 and z = 6?

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

B11

C3\(\frac{3}{5}\)

D2\(\frac{1}{2}\)

E1\(\frac{1}{5}\)

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Question 1154

jamb 1979

The annul profits of a transport business were divided between the partners A and B in the ratio 3 : 5. If B received N3000 more than A, the total profit was

AN5000

BN1800

CN12000

DN24000

EN8000

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Question 1155

jamb 1979

In base ten, the number 101101 (base 2) equals

A15

C45

D32

E90

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Question 1156

jamb 1979

After getting a rise of 15%, a man's new monthly salary is N345. How much per month did he earn before the increase?

AN330

BN396.75

CN300

DN293.25

EN360

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Question 1157

jamb 1979

In \(\bigtriangleup\)PQR, PQ = 10cm, QR = 8cm and RP = 6cm, the perpendicular RS is drawn from R to PQ. Find the length of RS

A4cm

B32cm

C\(\frac{30}{7}\)

D\(\frac{40}{7}\)

E4.8cm

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Question 1158

jamb 1979

(3.2)² - (1.8)² equals

A7.0

B2.56

C13.48

D2.0

E0.07

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Question 1159

jamb 1979

If the value of \(\pi\) is taken to be \(\frac{22}{7}\), the area of a semi-circle of diameter 42m is

A5544m²

B1386m²

C132m²

D264m²

E693m²

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Question 1160

jamb 1979

\((1.28 \times 10^{4}) \div (6.4 \times 10^{2})\) equals

A2 x 10^-5

B2 x 10^-1

C2 x 10¹

D2 x 10^-4

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Question 1161

jamb 1979

The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is

A1.5

B0.8

C1.0

D1.02

E1.05

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Question 1162

jamb 1978

In the figure, 0 is the centre of the circle ABC, < CED = 30o, < EDA = 40o. What is the size of < ABC?

A70^o

B110^o

C130^o

D125^o

E145^o

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Question 1163

jamb 1978

In the Figure FD\\AC, the area of AEF = 6sq.cm. AE = 3cm, BC = 3cm, CD = 5cm, < BCD is an obtuse angle. Find the length of BD.

A\(\sqrt{33}\)

D2\(\sqrt{13}\)

E4\(\sqrt{5}\)

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Question 1164

jamb 1978

In the figure, AB is parallel to CD then x + y + z is

A185^o

B200^o

C270^o

D360^o

E195^o

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Question 1165

jamb 1978

In the figure, DE//BC: DB//FE: DE = 2cm, FC = 3cm, AE = 4cm. Determine the length of EC.

A4cm

B6cm

C3cm

D2cm

E1cm

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Question 1166

jamb 1978

The smallest number such that when it is divided by 8 has a remainder of 6 and when it is divided by 9, has a remainder of 7 is

A387

B493

C502

D441

E634

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Question 1167

jamb 1978

Add the same number to the numerator and denominator of \(\frac{3}{18}\). If the resulting fraction is \(\frac{1}{2}\), then the number added is

A13

B14

C15

D12

E11

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Question 1168

jamb 1978

The vectors a and b are given in terms of two perpendicular units vectors i and j on a plane by a = 2i - 3j, b = -i + 2j. Find the magnitude of the vector a + 3b

C\(\sqrt{10}\)

D35

E2.2

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Question 1169

jamb 1978

The angle of elevation of the top of a vertical tower from a point A on the ground is 60o. From a point B, 2 units of distance further away from the foot of the tower, the angle of elevation of the tower is 45o. Find the distance of A from the foot of the tower

A3 + \(\sqrt{3}\)

B5 + \(\sqrt{3}\)

C3 - \(\sqrt{3}\)

E\(\sqrt{3}\) + 1

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Question 1170

jamb 1978

Evaluate without using tables sin(-1290º)

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

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

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

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

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