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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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Past Questions

2,359 questions
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Question 1 of 20 2,359 total questions
Question 351
jamb 2013
If y = x sin x, find \(\frac{\delta y}{\delta x}\)
Asin x - cos x
Bcos x - x sin x
Ccos x + x sin x
Dsin x + x cos x
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Question 352
jamb 2013

Find the inverse \(\begin{pmatrix} 5 & 3 \\ 6 & 4 \end{pmatrix}\)

A\(\begin{vmatrix} 2 & -\frac{3}{2} \\ -3 & -\frac{5}{2} \end{vmatrix}\)
B\(\begin{vmatrix} 2 & -\frac{3}{2} \\ -3 & \frac{5}{2} \end{vmatrix}\)
C\(\begin{vmatrix} 2 & \frac{3}{2} \\ -3 & \frac{5}{2} \end{vmatrix}\)
D\(\begin{vmatrix} 2 & \frac{3}{2} \\ -3 & \frac{5}{2} \end{vmatrix}\)
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Question 353
jamb 2013

If P = \(\begin{pmatrix} 5 & 3 \\ 2 & 1 \end{pmatrix}\) and Q = \(\begin{pmatrix} 4 & 2 \\ 3 & 5 \end{pmatrix}\), find 2P + Q

A\(\begin{vmatrix} 7 & 7 \\ 14 & 8 \end{vmatrix}\)
B\(\begin{vmatrix} 14 & 8 \\ 7 & 7 \end{vmatrix}\)
C\(\begin{vmatrix} 7 & 7 \\ 8 & 14 \end{vmatrix}\)
D\(\begin{vmatrix} 8 & 14 \\ 7 & 7 \end{vmatrix}\)
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Question 354
jamb 2013
If a binary operation * is defined by x * y = x + 2y, find 2 * (3 * 4)
A24
B16
C14
D26
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Question 355
jamb 2013
The nth term of the progression \(\frac{4}{2}\), \(\frac{7}{3}\), \(\frac{10}{4}\), \(\frac{13}{5}\) is ...
A\(\frac{1 - 3n}{n + 1}\)
B\(\frac{3n + 1}{n + 1}\)
C\(\frac{3n + 1}{n - 1}\)
D\(\frac{3n - 1}{n + 1}\)
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Question 356
jamb 2013

Solve for x: |x - 2| < 3

Ax < 5
B-2 < x < 3
C-1 < x < 5
Dx < 1
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Question 357
jamb 2013
Evaluate 3(x + 2) > 6(x + 3)
Ax < 4
Bx > -4
Cx < -4
Dx > 4
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Question 358
jamb 2013
If r varies inversely as the square root of s and t, how does s vary with r and t?
As varies inversely as r and t2
Bs varies inverely as r2 and t
Cs varies directly as r2 and t2
Ds varies directly as r and t
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Question 359
jamb 2013
P varies jointly as m and u, and varies inversely as q. Given that p = 4, m = 3 and u = 2 and q = 1, find the value of p when m = 6, u = 4 and q =\(\frac{8}{5}\)
A12\(\frac{8}{5}\)
B15
C10
D28\(\frac{8}{5}\)
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Question 360
jamb 2013
The remainder when 6p3 - p2 - 47p + 30 is divided by p - 3 is
A21
B42
C63
D18
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Question 361
jamb 2013
If x - 4 is a factor of x2 - x - k, then k is
A4
B12
C20
D2
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Question 362
jamb 2013
If S = \(\sqrt{t^2 - 4t + 4}\), find t in terms of S
AS2 - 2
BS + 2
CS - 2
DS2 + 2
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Question 363
jamb 2013

if P = {x:x is odd, \(-1 < x \leq 20\)} and Q is {y:y is prime, \(-2 < y \leq 25\), find P \(\cap\) Q

A{3,5,7,11,17,19}
B{3,5,11,13,17,19}
C{3,5,7,11,13,17,19}
D{2,3,5,7,11,13,17,19}
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Question 364
jamb 2013
Simplify \(\frac{\sqrt{5}(\sqrt{147} - \sqrt{12}}{\sqrt{15}}\)
A5
B\(\frac{1}{5}\)
C\(\frac{1}{9}\)
D9
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Question 365
jamb 2013
If log104 = 0.6021, evaluate log1041/3
A0.3011
B0.9021
C1.8063
D0.2007
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Question 366
jamb 2013
Simplify \(\frac{3^{-5n}}{9^{1-n}} \times 27^{n + 1}\)
A32
B33
C35
D3
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Question 367
jamb 2013
Calculate the time taken for N3000 to earn N600 if invested at 8% simple interest
A2\(\frac{1}{2}\) years
B3 years
C3\(\frac{1}{2}\) years
D1\(\frac{1}{2}\) years
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Question 368
jamb 2013
Evaluate \(\frac{1.25 \times 0.025}{0.05}\), correct to 1 decimal place
A0.6
B6.2
C6.3
D0.5
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Question 369
jamb 2013
3 girls share a number of apples in the ration 5:3:2. If the highest share is 40 apples, find the smallest share
A36
B24
C16
D38
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Question 370
jamb 2013
Convert 2710 to another number in base three
A10013
B10103
C11003
D10003
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