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UNN Post UTME Past Questions for Mathematics (Authentic, PDF Available)

By • July 30, 2022 • UNN PU Past Questions

Have you been searching for the University of Nigeria Nsukka, UNN Post UTME Past Questions for Mathematics? Then congratulations, you’re at the page that will show you the authentic and original past questions.

UNN Post UTME Past Questions for Mathematics

On this page, we will show you the authentic and original UNN Post UTME Past Questions and Answers for Mathematics. You will be able to read it on this site or download the PDF for free.

Before showing you the past questions, we will give you a short test (quiz), to ascertain how prepared you are for the UNN post-utme. We strongly advise you to complete the quiz as it will help you.

The questions in the test will be from both JAMB and UNN Past questions.

PAY ATTENTION: Before we proceed, do note that this page will show you the UNN past questions for just two years. If you want the complete and updated UNN Post UTME Past Questions for all years and subjects, then install the original myUNN Post-UTME App. Study smartly with the app and have a better chance of gaining admission than your colleagues. Install the App HERE or see the app full benefits HERE.

Before you go ahead and view/download the UNN Post UTME Past Questions, we strongly recommend you take this timed short test on Mathematics. Ensure you complete the quiz!

[ays_quiz id=’12’]

Nature of UNN Post UTME Exam

  • For each subject, there will be 17 questions to answer 15 questions. This means you will answer a total of 60 questions for the exam.
  • The time to answer all the questions is 60mins (1 hour).
  • You are free to review your answers before you submit them.
  • Sometimes, UNN repeats their questions. They also repeat jamb past questions. That’s why you need the myUNN Post UTME App. It will adequately prepare you for the UNN post-utme. Testing your knowledge with both JAMB and UNN past questions. Install myUNN Post UTME App Now!!!
  • Try to be at the venue of your exam at least 30 minutes before your time on the acknowledgment slip. You will join a queue at the exam Venue based on your exam time and SCORE range. You will have to be patient. One of the officials there will openly announce the score range that is permitted to enter the exam hall at that particular time, so listen attentively.
  • After the arrangements, you will move in, but before you are been given your own computer, you will have to go through accreditation with your acknowledgment slip
  • During the Accreditation,a passcode will be written on your acknowledgment slip by the official doing the accreditation.
  • On getting to your computer, you will be required to input the passcode that was written on your acknowledgment slip during accreditation. Without that, you can’t log in
  • After you input the passcode, the next stage is your jamb registration number. You will simply input your jamb registration number twice in different columns and submit.

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UNN Post UTME Past Questions And Answers for Mathematics

NB: Make sure you have taken the test/quiz above. If you have, then go ahead and download the UNN Post UTME Past Questions in PDF or just view it directly on this website.

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UNN POST UTME QUESTIONS FOR MATHEMATICS 2005/2006

  1. Find n if 31410 – 2567 = 340n
    A. 7
    B. 8
    C. 9
    D. 10
  2. What is the difference between 1.867551 correct to four significant figures and 1.867551 correct to four decimal places?
    A. 5×10-3
    B. 4×10-4
    C. 5×10-4
    D. 10×10-3
  3. In an examination, all the candidates offered at least one of English and French, if 52% offered French and 65% offered English, what percentage offered French only?
    A. 17
    B. 35%
    C. 48%
    D. 45%
  4. Simplify 6𝑥2 +5𝑥2 / 2𝑥2+𝑥−3
    A. 3x-1
    B. 1-3x
    C. 3x+1
    D. –(3×1)
  5. Find the range of value of x satisfying the inequalities 2x – 5< 7 and 25 + 2x > 15
    A. 5<x<6
    B. -5<×<6
    C. -6<×<5
    D. -6<×<-5
  6. If the 8th term of an A.P is three times the second term and the sum of the first three terms is 18, find the first term of the A.P.
    A.4
    B. 2
    C. 8
    D. 3
  7. Find the sum of infinity f the series 4+3 + 9/4+27/19+……
    A.16
    B. 16/3
    C. 1
    D. 8
  8. A chord of a circle or radius 10cm is drawn 8cm from the center of circle. Find the length of the chord.
    A. 6cm
    B. 2√14𝑐m3
    C. 12cm
    D. √41𝑐m3
  9. Find the equation of the line which passes through (-2,1) and is perpendicular to the line 4x-2y+1 = 0.
    A. 2y-x-4 = 0
    B. 2y + x = 0
    C. 2y-x = 0
    D. y-2x-5 = 0
  10. If a is parallel to the line 2y-rx+4 = 0 and perpendicular to the line 4y+x-28 = 0, then the value of r is
    A.4
    B. 8
    C. -8
    D. -4
  11. The distribution below shows the scores of sixty students in a class test. What percentage of the students scored at least 3?

    A.60%
    B. 36%
    C. 66%
    D. 40%
  12. The first derivative of y = (2+3x)4 at x = -1 is
    A.12
    B. -12
    C. 4
    D. -4
  13. The minimum value of (x) = x2-4x+5 in the interval [1, -1] is
    A.-2
    B. 10
    C. 4
    D. 5
  14. The table below shows the marks scored by a group of students in a class test. If the mean score is 3.4, find x.

    A.3
    B. 4
    C. 5
    D. 2
  15. A company is to select three different handset phones from five different types of Nokia brand and two different types of Samsung brand. In how many ways can the company choose the handsets, so as to include at least one Samsung brand?A.15
    B. 25
    C. 35
    D. 45

UNN POST UTME ANSWERS FOR MATHEMATICS 2005/2006

1. 31410-2567 = 340n
31410 (2×72+5×71 + 6×70) = 3x
n2 + 4×n1+0×n
314-139 = 3n2 + 4n
3n2 + 4n-175 = 0
(n – 7) (n + 25/2) = 0
n = 7 or n = -25/2 (impossible)
∴ n = 7 (Ans. A)

2. 1.867551 to 4 sign. Fig. = 10868
1.867551 to 4 d.p. = 1.8676
Difference: 1.868-1.8676 = 0.0004 = 4×10-4
Ans. B

5. 2x-5<7 and 25+2x>15
2x<12 and 2x>-10
X<6 and 2x> – 10(or x >-5)
-5< × <6
Ans. B

6. U8 = 3U2, S3 = 18, U1 =?
a +7d = 3(a+d)→a + 7d = 3a + 3d
→ a +7d-3a – 3d = 0
→ 2a + 4d = 0→ 2a-4d = 0 ….. (1)
Sn = 𝑛/2 [2𝑎 + (𝑛 − 1)𝑑]
𝑆3 = 18 = 3/2 [2𝑎 + (3 − 1)𝑑]
→2a + 2d = (18×2)/3
→2a + 2d = 12
∴ 𝑎 + 𝑑 = 6 … … … … (2)
From equation (2), a = 6-d
Substitute 6 – d for a into equation (1), 2(6-d) – 4d = 0
→ 12 – 2d – 4d = 0 → -6d = -12 ∴ 𝑑 = 2
Hence, a + 2 = 6 → a = 6-2 = 4
U1 = a = 4
Ans. A

7. 𝑆∞ 𝑎/( 1−𝑟) ; 𝑟 = 𝑟[ (9/4) / 3] ; 𝑎 = 4
𝑆∞ = 4 / (1 − 3/ 4) = 16 → 𝑆∞ = 16
Ans. A

9. Equation of the given line is
4x – y + 1 = 0
i.e. y = 2x + ½
Gradient of the line, m1 = 2
Let the gradient of the perpendicular line be m2. For perpendicular lines, m1m2 = -1→m2 = -1/m
M2 = 1/2 through (-2,1)
Hence, the required equation is y – 1 = -1/2 [x – (-2)]
y – 1 = -1/2(x + 2) or 2y + x = 0
Ans. B

10. Line 1 is 2y-rx+4i.e. y= r/2x – 2
Line 2 is 4y + x – 28 = 0 i.e. y =1/4x+7
Gradient of line 1 =m1r/4 gradient of line 2 = M2 = ¼
If line 1 and line 2 are perpendicular, then m1m2 = -1
→ 𝑟/2 x (−1/4) = −1 → 𝑟 = 8
Ans. B

11. No of student that scored at least 3 = 16 + 12 + 8 = 36 students
Total no of students = 60
Percentage that scored at least 3 = 36/60 × 100% = 60%
Ans. A

12. Y = (2 + 3x)4
= 4(2 + 3x)3 .3 =12 (2 + 3x)3
At x =-1, = 12(2+3(-1)3=-12)
Ans. B

13. F(x) = x2-4x + 5
f’(x) = 2x – 4
In the interval [1,1], f’(x) = 2(1) – 4 = -2
Ans. A

14.

Score (x)Frequency (f)Fx
133
2612
3721
5X5x
6424
 ∑𝑓 = 20 + 𝑥∑𝑓𝑥 = 60 + 5𝑥

Mean = ∑ 𝑓𝑥 / ∑ 𝑓 = 3.4 → (60+5𝑥)/ (20+𝑥) = 3.4
60+5x = 3.4 (20 + x) →60 + 5x = 68 + 3.4x
5x – 3.4 = 68-60 → 1.6x = 8
Therefore, x = 5
Ans.  C

15. No of Nokia bran = 5, No of Samsung brand = 2 if 3 different handset phones are to be selected and at least 1 Samsung brand must be selected and at least 1 Samsung brand must be included, then it is either they select 2 Nokia brand from 5 and 2 Samsung brand from 2.

That is, 5C2 x 2C1 or 5C1 x 2C2 = 10×2+5×1=20+5=25 ways. Ans. B

SUMMARY OF ANSWERS (MATHEMATICS 2005/2006)

1. A 2.B. 3.B 4.C 5.B 6.A 7.A 8.C 9.B 10.B 11.A 12.B 13.1 14.C 15.B

UNN POST UTME QUESTIONS FOR MATHEMATICS 2007/2008

  1. Express 8×10-6 +2×10-5 as a fraction
    A.1/4               B. 3/2
    C. 2/5               D. 1/5
  2. Find the values of x for which 22x+3+ 33 × 2x + 4 = 0
    A. x=2, x= -3   
    B. x=-2, x= 3
    C. x=4, x=1/8  
    D. x=2, x=3
  3. If 2609 ÷ 1002 = 66n, find n
    A.7                   B. 9
    C. 10                D. 8
  4. Find the values of x such that

    A. x=y=2         
    B. x=2, y=-2
    C. x=12, y=2    
    D. x=y=-2
  5. A chord of a circle of radius 13cm is drawn 5cm from the centre of the circle. Find the length of the chord.
    A. 12cm           B.24cm
    C. 18cm           D. √194cm
  6. If x-2 is a factor of px3 + 2x2-2p+12, find the value of p.
    A. 8/5              B. -10/3
    C. 2                  D. -2
  7. In a regular pentagon ABCDE, AC intersects BD at P. calculate < CPD.
    A.108°             B. 36°
    C. 72°               D. 48°

  8. The table above shows the marks obtained by a student in an examination. If the total mark obtained is 300, what is the angle corresponding to the mark obtained in Chemistry if the information is represented in a pie chart?
    A.120°            B.144°
    C. 48°            D. 108°
  9. A ladder 17m rests against a vertical wall so that its foot is 8.5m from the wall. Find the angle of inclination of the ladder to the horizontal floor.
    A.30°               B.45°
    C. 60°               D. 55

  10. A.0                   B. 5
    C.                 D. 1
  11. If 𝑑𝑦/𝑑𝑥 = 6x-3 and y(-1) = 8, find y (x)
    A.3x2-3x-8       B. 3x2-3x+8
    C. 3x2-3x-2       D. 3x2-3x+2
  12. The minimum of the function f(x) = 2x2-12x + 5 is
    A.59                 B. -59
    C.3                   D. -3
  13. A basket contains 5 MTN cards, 6 GLO cards, 3 MTEL cards and 6 Vmobiles cards. What is the probability that a card selected from the basket at random will be MTN or MTEL card?
    A. 3/20            B. ¾
    C. ¼                  D. 2/5
  14. Find the range of the numbers 1/3, ½, 3/5, 4/5, 2/3, 6/7, 8/9
    A.7/27             B.13/45
    C. 9/5               D. 5/9
  15. If the mean of the numbers 4, 3, 5, x, 7, is 5, find the variance:
    A.2                   B.10
    C.√2                D. 5

UNN POST UTME ANSWERS FOR MATHEMATICS 2007/2008

1. 8 × 106 ÷ 2 × 10−5
= 8/106 ÷ 2/105
= 8/106 × 105/2
= 8/2 × 105/106
= 4/10
= 2/5
Ans. C

2. 22x+3 – 33 × 2x + 4 = 0
22x × 23 – 33 × 2x + 4 = 0
8 × (2x)2 – 33(2x) + 4 = 0
Let 2x = p
8p2-33p + 4 = 0
(8p-1) (p-4) = 0
P = 1/8 or p = 4
But = p = 1/8
= 8-1 = 2-3 × = -3 OR
= p = 4 = 22, x = 2
∴ 𝑥 = 2 𝑜𝑟 − 3
𝑨𝒏𝒔. A

4. 2x-7y = 10…………(1)
3x + ½x = -7……….(2)
Solving equations 1 and 2
Simultaneously gives x = -2 and y = -2
Ans. D

6. Let f(x) = px3 + 2x2 – 2p + 12
If x-2 is a factor of f(x), f(2) = 0
F(2) = p(2)3 + 2(2)2 – 2p + 12 = 0
8p + 8 – 2p + 12 = 0
8p – 2p + 12 = 0
6p = -20
P = -20/6 = -10/3
Ans. B

7. A regular pentagon has five equal sides and all the angles are equal. Sum of interior angles = (2n – 4) × 90o
Where n = 5, sum of interior angles = [(2 × 5)4] × 90o = 540
Therefore, each angle = 540o/5 = 108o
Required angle = 180o – 108o = 72o
Ans. C

8. 95 + 2x + 10 + x + 75 = 300
3x + 180 = 300
3x = 300 – 180 = 120
X = 120/3 = 40
Mark obtained in chemistry = 2x + 40 = 2 × 40 + 10 = 90
Angle of mark = =90/300 x 360o = 108o
Ans. D

Ans. B

12. 𝑓(𝑥) = 2𝑥 2 − 12𝑥 −5 ?
𝑓(𝑥) = 4𝑥 − 12 = 0?
4𝑥 − 12 = 0
4𝑥=12
𝑥=3
Ans. C

13. 𝑀𝑇𝑁 Cards = 5,
Glo Cards = 6,
MTEL Cards =3,
Vmobile Cards = 6
Total Cards = 20
Prob (MTN or MTEL) = 5/20
= 8/20
= 2/5
Ans D

14. 𝑅𝑎𝑛𝑔𝑒 = 8/9 − 1/3
= 5/9
Ans D

SUMMARY OF ANSWERS (MATHEMATICS 2007/2008)

1.C 2.A 3.D 4.B 5.B 6.B 7.C 8.D 9.B. 10.B 11.D 12.C 13.D 14.D 15.A

UNN School Fees for Newly Admitted Students (All Courses)

UNN freshers’ school fees are between N110,800 and N120,550 depending on the course of study. The UNN acceptance fee for fresh students is N30,000.

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  82. Statistics – N112,300
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  84. Economics – N110,800
  85. Geography – N110,800
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  90. Religious Studies – N110,800
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  92. Social Work – N110,800
  93. Veterinary Medicine – N119,050
  94. Agric Education – N110,800
  95. Agric Science Education – N110,800
  96. Business Education – N110,800
  97. Computer Education – N110,800
  98. Home Economics Education – N110,800
  99. Industrial Technical Education – N110,800

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