Mathematics Past Questions

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Past Questions

2,359 questions
Question 1 of 20 2,359 total questions
Question 291
jamb 2015

Simplify \( \frac{1}{(x + 1)} + \frac{1}{(x − 1)} \)

A2x/(x + 1)(x−3)
B2x/(x + 1)(x−1)
C2x/(x + 1)2
D2x(x+1)2
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Question 292
jamb 2015
Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm (π = 3.14)
A17.1cm2
B27.2cm2
C47.1cm2
D37.3cm2
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Question 293
jamb 2015

Integral ∫\( (5x^3 + 7x^2 − 2x + 5)\)dx

A\( \frac{5x^4}{4} + \frac{7x^3}{3} + 2x + C \)
B\( \frac{5x^4}{4} + \frac{7x^3}{3} - x^2 + 5x + C \)
C\( \frac{5x^3}{3} + \frac{7x^2}{x} - x + C \)
D\( \frac{2x^2}{3} + \frac{x}{5} - C \)
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Question 294
jamb 2015

Evaluate log5(\( y^2x^5 ÷ 125b½) \)

A2 log5y + 5log5 y2 − 3
Blog5 y2 + 5log5 x + 3
C25logy 5 + 3
D2log5y + 5log5x − ½ log5b −3
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Question 295
jamb 2015
100112 + *****2 + 111002 + 1012 = 10011112
A11112
B110112
C101112
D110012
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Question 296
jamb 2015
Evaluate log717
A1.35
B1.353
C1.455
D0.455
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Question 297
jamb 2015
If an investor invest N450,000 in a certain organization in order to yield X as a return of N25,000. Find the return on an investment of N700,000 by Y in the same organization.
AN14,950.50K
BN25,150.30K
CN15,000.00K
DN38,888.90K
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Question 298
jamb 2015
Given that S and T are sets of real numbers such that S = {x : 0 \(\leq\) x \(\leq\) 5} and T = {x : − 2 < x < 3} Find S \(\cup\) T
A−3 < x < \(\leq\)3
B−2< x < \(\leq\)5
C2< x < \(\geq\) −5
D−1< x \(\geq\) \(\leq\)2
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Question 299
jamb 2015

Determine the third term of a geometrical progression whose first and second term are 2 and 54 respectively

A1458
B1485
C1345
D1258
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Question 300
jamb 2015

Find the distance between the points (-2,-3) and (-2,4)

A3m
B2.4m
C3.2m
D7.0m
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Question 301
jamb 2015
Simplify \(6\frac{1}{12} − 2 ¾ + 1 ½ \)
A\( 3 \frac{5}{6}\)
B\( 4 \frac{5}{6}\)
C\( 2 \frac{1}{6}\)
D\( \frac{1}{3} \)
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Question 302
jamb 2015
A man bought a car for N800 and sold it for N520. Find his loss per cent
A15%
B25%
C35%
D10%
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Question 303
jamb 2015

If (159.75)10 = (x)6. Find x

Ax6 = 123.346
Bx6 = 424.56
Cx6 = 122.436
Dx6 = 124.456
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Question 304
jamb 2015

The probability of an event A is 1/5. The probability of B is 1/3 . The probability both A and B is 1/15. What is the probability of either event A or B or both

A\( \frac{2}{15} \)
B\( \frac{3}{4} \)
C\( \frac{9}{15} \)
D\( \frac{1}{15} \)
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Question 305
jamb 2015
The volume of a cylinder whose height is 4cm and whose radius 5cm is equal to (π = 3.14)
A3.13cm2
B145cm2
C314cm2
D214cm2
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Question 306
jamb 2015
Solve x2 − 2x − 3 = 0
Ax = 2 or 1
Bx = 3 or -1
Cx = 1 or 0
Dx = 1 or 2
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Question 307
jamb 2015
Find the value of x if \( [ 1 ÷ 64^{(x + 2)}]= [4^{(x − 3)} ÷ 16^x ] \)
A\( \frac{3}{2} \)
B\( \frac{2}{3} \)
C\( \frac{1}{3} \)
D\( -\frac{3}{2} \)
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Question 308
jamb 2015

A man sells his new brand car for N420,000 at a gain of 15%. What did it cost him?

AN410,000
BN365, 217
CN157, 250
DN257,000
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Question 309
jamb 2015
Find x if 132x = 70 eight.
A5
B3
C6
D1
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Question 310
jamb 2015

Given that A = {3, 4, 1, 10, ⅓ }

B = {4, 3,⅓, ⅓, 7}.

Find A∩B

A{}
B{⅓, 1, 2}
C{3, 4, ⅓}
D{1, 3, ⅓}
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