Mathematics Past Questions

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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 1291
jamb 2002

Find the range of values of x for which \(\frac{(x+2)}{4}\) -\(\frac{2x-3}{3}\) < 4

Ax > -6
Bx > -3
Cx < 8
Dx < 4
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Question 1292
jamb 2002

The time taken to do a piece of work is inversely proportional to the number of men employed. if it takes 45 men to do a piece of work in 5 days, how long will it take 25 men?

A15 days
B12 days
C5 days
D9 days
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Question 1293
jamb 2002

Solve for x in the equation x\(^3\) - 5x\(^2\) - x + 5 = 0

A1, - 1, or 5
B1, 1, or -5
C-1, 1, or -5
D1, 1, or 5
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Question 1294
jamb 2002

If \(y = x^2 - \frac{1}{x}\). find dy/dx

A2x - (1/x2)
B2x + x2
C2x - x2
D2x + (1/x2)
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Question 1295
jamb 2002

A circle with radius 5cm has its radius increasing at the rate of 0.2m/s. What will be the corresponding increase in the area?

A2π
B5π
Cπ
D4π
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Question 1296
jamb 2002

Evaluate \(\int \sin 3x \mathrm d x\)

A(2/3) cos 3x + c
B(1/3) cos 3x + c
C(-1/3) cos 3x + c
D(-2/3) cos 3x + c
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Question 1297
jamb 2002

The slope of the tangent to the curve y = 3x\(^2\) - 2x + 5 at the point (1, 6) is

A4
B1
C6
D5
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Question 1298
jamb 2002

Find the derivative of \(y = \sin^{2} (5x)\) with respect to x.

A10 sin 5x cos 5x
B5 sin5x cos 5x
C2 sin 5x cos 5x
D15 sin 5x cos 5x
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Question 1299
jamb 2002
If dy/dx = 2x - 3 and y = 3 when x = 0, find y in terms of x.
A2x2 - 3x
Bx2 - 3x
Cx2 - 3x - 3
Dx2 - 3x + 3
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Question 1300
jamb 2002
A trader bought goats for N4000 each. He sold them for N180,000 at a loss of 25%. How many goats did he buy?
A60
B50
C45
D36
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Question 1301
jamb 2002

Evaluate: \(\frac{0.21 \times 0.072 \times 0.00054}{0.006 \times 1.68 \times 0.063}\)

A0.01286
B0.01285
C0.1286
D0.1285
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Question 1302
jamb 2002

Simplify \((\sqrt{0.7} + \sqrt{70})^{2}\)

 

A84.7
B70.7
C217.7
D168.7
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Question 1303
jamb 2002

Simplify 52.4 - 5.7 - 3.45 - 1.75

A41.4
B41.5
C42.1
D42.2
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Question 1304
jamb 2002
In a school, 220 students offer Biology or Mathematics or both. 125 offer Biology and 110 mathematics. How many offer Biology but not Mathematics?
A95
B80
C125
D110
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Question 1305
jamb 2002

Without using tables, evaluate \((343)^{\frac{1}{3}} \times (0.14)^{-1} \times (25)^{-\frac{1}{2}}\)

A10
B12
C8
D7
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Question 1306
neco 2001

Two fair coins are tossed at the same time. what is the probability of getting a head?

A1
B\(\frac{3}{4}\)
C\(\frac{1}{2}\)
D\(\frac{1}{3}\)
E\(\frac{1}{4}\)
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Question 1307
neco 2001
If t varies inversely as the cube of s, and t = 24, when s = 3, find t when s = 2
A8
B24
C27
D81
E648
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Question 1308
neco 2001

The lengths of the sides of a triangle are 15m, 21m, and 28cm. What is the size of the angle facing the side 21m (correct to one decimal place)?

A85.7°
B47.5°
C41.5°
D41.4°
E38.2°
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Question 1309
neco 2001

If sin θ = \(\frac{4}{5}\) where 0° ∠ θ ∠ 90º, what is the value of cos θ + tan θ?

A\(\frac{14}{15}\)
B\(\frac{29}{15}\)
C\(\frac{13}{8}\)
D\(\frac{144}{15}\)
E\(\frac{24}{5}\)
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Question 1310
neco 2001

Evaluate (\(\frac{1}{343}\))\(^{\frac{1}{3}}\) + (64)\(^{-\frac{1}{3}}\) - \(\frac{4}{9}\)\(^{-\frac{1}{2}}\)

A-\(\frac{17}{36}\)
B-\(\frac{3}{28}\)
C-\(\frac{31}{28}\)
D\(\frac{17}{36}\)
E\(\frac{1}{4}\)
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