# JAMB Mathematics Questions And Answers 2023

## Mathematics JAMB Questions and Answers 2023 Revealed!

JAMB Mathematics Questions And Answers 2023, For UTME candidates seeking Mathematics JAMB Questions and Answers in 2023, particularly those aspiring for Engineering Sciences, Physical Sciences, as well as select courses in Business Administration, Economics, and others that necessitate Mathematics in JAMB, this resource provides authentic JAMB Mathematics questions and answers for the upcoming year. Your task is to thoroughly review and study this material multiple times, preparing yourself to excel in your Mathematics exam and achieve a strong performance.

## What are Mathematics JAMB Questions and Answers 2023

This resource offers Mathematics JAMB Questions and Answers 2023, encompassing the questions that will appear on your Mathematics paper in the 2023 UTME, along with their corresponding solutions.

It is of utmost importance for every candidate preparing for the upcoming 2023 JAMB examination in Mathematics to review these questions. Doing so will provide them with a preview of what to expect within the JAMB CBT hall, enhancing their confidence and ensuring a high score.

## Revealing Mathematics JAMB Questions and Answers 2023!

Within this page, we unveil Mathematics JAMB Questions and Answers 2023, tailored for all candidates undertaking the Mathematics paper.

You are fortunate to have stumbled upon this crucial page!

The questions are authentic and the answers accurate, born from our fervent desire to witness your JAMB success and secure admission.

In the ensuing sections, you will encounter the Mathematics questions slated for your 2023 JAMB exam, accompanied by detailed solutions. Should any queries persist, feel free to utilize the comments section for further clarification, as we are committed to providing a more intricate explanation.

JAMB holds significant weight, as you will address 40 questions in JAMB Mathematics 2023 within a brief span of 26 minutes. Thus, it is imperative that you heed the information shared on this page to ensure thorough preparation.

## Mathematics JAMB Questions and Answers 2023 [Numbers 1 – 10]

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 x 10-3 B. 4 x 10-4
C. 5 x 10-4 D. 10 x 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%

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4. Find the range of values of x satisfying the inequalities 2x – 5 < 7 and 25 + 2x > 15
A. 5 < x < 6 B. -5 < x < 6
C. -6 < x < 5 D. -6 < x < -5

5. 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

6. A chord of a circle of radius 10cm is drawn 8cm from the centre of the circle. Find the length of the chord.
A. 6cm B. 2√41cm
C. 12cm D. √41cm

7. 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

8. If a line 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

9. The first derivative of y = (2 + 3x)4 at x = -1 is
A. 12 B. -12 C. 4 D. -4

10. The minimum value of (x) = x2 – 4x + 5 in the interval [1,-1] is
A. -2 B. 10 C. 4 D. 5

## Answers to Mathematics Question Number 1 – 10

1.A 2.B 3.B 4.B 5.A
6.C 7.B 8.B 9.B 10.A

## Mathematics JAMB Questions and Answers 2023 [Numbers 11 – 20]

11. 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

12. The average of three numbers is 325. If the sum of two of the numbers is 1314, find the third number in base 6.
A. 436 B. 346
C. 236 D. 326

13. Three times the second term plus the seventh term of an AP is equal to the twelfth term. Find the relationship between the first term a and the common difference d.
A. 3a – 2d = 0 B. 3a + 2d = 0
C. 3a + d = 0 D. 3a – d= 0

14. A fence of 36m is to be built to make three sides of a rectangular compound, the fourth side being a building. Find the possible lengths of the shorter sides of the compound if the area enclosed is 160m2.
A. 20m, 10m B. 16m, 8m
C. 20m, 16m D. 10m, 8m

15. A bag contains 4x First bank ATM cards, (2x – 1) UBA bank ATM cards and 3(x + 1) Zenith Bank ATM cards. If the probability of picking a First Bank ATM is 2/5; how many UBA Bank ATM cards are in the bag?
A. 3 B. 8
C. 9 D. 20

16. Express the product of 0.000128 and 0.00125 in standard form.
A. 1.6 x 10-11 B. 1.6 x 10-5
C. 1.6 x 10-7 D. 1.6 x 10-4

17. Make x the subject of the relation y = 3 – lnx.
A. e3 – y B. ey – 3
C. y/3 D. 3/y

18. A student dropped an object from a building 100m high. If the height of the object above the ground after t seconds is 100 + 4.9t2 m, how fast is it falling 3 seconds after it is dropped?
A. 14.7m/sec B. 85.3m/sec
C. 29.4m/sec D. 70.6m/sec

19. An investor who invested N6,500.00 at some simple interest rate collected a total amount of N7,800.00 after four years. How much simple interest would he have collected after two years if he had invested N9,000.00?
A. N1,000.00 B. N10,000.00
C. N5,400.00 D. N900.00

20. Differentiate (cosθ + sinθ)2 with respect to θ.
A. 2cos2θ B. 2sin2θ
C. -2cos2θ D. -2sin2θ

## Answers to Mathematics Question Number 11 – 20

11.B 12.B 13.A 14.D 15.A
16.C 17.A 18.C 19.D 20.A

## Mathematics JAMB Questions and Answers 2023 [Numbers 21 – 30]

21. If the sum of the roots of the equation 2×2 – 5px + 8 = 0 is five times the product of the roots, find the value of p.
A. -8 B. 1/8
C. 8 D. -1/8

22. Find the area of region enclosed by the curve y = 2 – x2 and the line y = -x.
A. 3/2 B. 9
C. 3 D. -9/2

23. If x – 1 is a factor of 3×3 – px2 + 5x – 3p, find the value of p.
A. -2 B. 2 C. ½ D. -½

24. In a school, 180 students offer Mathematics or Physics or both. If 125 offer Mathematics and 105 offer Physics. How many students offer Mathematics only?
A. 75 B. 80 C. 55 D. 125

25. Find the value of x for which 3(24x + 3) = 96
A. 2 B. -2 C. ½ D. -½

26. The cost of renovating a 5m square room is N500. What is the cost of renovating a 10m square room?
A. N1, 000 B. N2, 500
C. N2, 000 D. N10, 000

27. Find the rate of change of the total surface area S of a sphere with respect to its radius r when r = 2.
A. 8p B.16p C. 10p D. 14p

28. Differentiate (cosθ + sinθ)2 with respect to θ.
A. 2cos2θ B. 2Sin2θ
C. -2cos2θ D. -2sin2θ

29. A polynomial in x whose zeroes are 2, 1 and -3 is
A. x3 – 7x + 6 = 0 B. x3 + 7x – 6 = 0
C. x3 – 7x – 6 = 0 D. x3 + 7x + 6 = 0

30. Find the range of values of x for which 7x – 3 > 3x + 4.
A. x < 7/4 B. x > 7/4
C. 7x < 4 D. -4 x < 7

## Answers to Mathematics Question Number 21 – 30

21.C 22.D 23.B 24.A 25.C
26.C 27.B 28.A 29.A 30.B

## Mathematics JAMB Questions and Answers 2023 [Numbers 31 – 40]

31. Let P be a probability function on set S, where S = {C1, C2, C3, C4}. Find P(C3) if P(C1) = 3/10 and P(C4) = 1/4.
A. ⅖ B. ½ C. ⅙ D. ⅓

32. Calculate the standard deviation of the following data 7, 8, 9, 10, 11, 12, 13.
A. 2 B. 4 C. 10 D. 11

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33. If w is the mode and z is the median of the following set of numbers: 2.4, 2.1, 1.6, 2.6, 2.6, 3.7, 2.1 and 2.6, then (3w, 2z) is
A. (2.6, 2.5) B. (2.1, 2.5)
C. (7.8, 5.0) D. (6.2, 5.0)

34. A trapezium has two parallel sides of length 6cm and 8cm. If the area is 42cm2, find the distance between the parallel sides.
A. 6cm B. 7cm
C. 8cm D. 5cm

35. An arc of a circle of length 22cm subtends an angle of 3yo at the centre of the circle. Find the value of y, if the radius of the circle is 7cm.
A. 30o B. 60o C. 120o D. 150o

36. Find the locus of a point which moves such that its distance from the line y = 3 is a constant k.
A. y = 3 + k B. y = 3 – k
C. y = 3 + k D. y = k – 3

37. If x + 1 is a factor of the polynomial 5×2 – 4px + 3, find the value of p.
A. ½ B. 2 C. -2 D. -½

38. Find the point of intersection of the lines 2x + 3y – 21 = 0 and x – 2y – 7 = 0.
A. (9, 1) B. (1, 9)
C. (15/2 , 2) D. (-9, -1)

39. Find the value of n if 13n + 24n = 41n
A. 8 B. 7 C. 6 D. 5

40. A polygamist decided to give 20% of his monthly income to his three wives as their monthly allowance. The eldest wife got 45% of the allowance and the youngest got 25%. How much was the man’s monthly income if the second wife got ₦3,000.00?
A. ₦50,000.00 B. ₦33,000.00
C. ₦60,000.00 D. ₦45,000.00

## Answers to Mathematics Question Number 31 – 40

31.C 32.A 33.C 34.A 35.B
36.C 37.C 38.A 39.C 40.A

## Conclusion

To conclude, this resource serves as a valuable tool for UTME candidates seeking Mathematics JAMB Questions and Answers for the 2023 examination. Especially tailored for those aspiring to pursue Engineering Sciences, Physical Sciences, Business Administration, Economics, and other courses requiring Mathematics, this compilation offers genuine questions alongside accurate answers.

It is essential for every candidate preparing for the 2023 JAMB Mathematics exam to engage with these questions. This preview of the exam content not only boosts confidence but also ensures a high likelihood of success in the JAMB CBT hall.

The unveiled Mathematics JAMB Questions and Answers 2023 provide candidates with a comprehensive insight into the exam’s expectations. These authentic questions and precise answers are a testament to our dedication to your JAMB triumph and eventual admission.

As you delve into the sections that follow, you will encounter the Mathematics questions expected in your 2023 JAMB exam, along with thorough explanations. For any lingering uncertainties, the comments section is at your disposal, promising further clarification and a deeper understanding.

Given the serious nature of the JAMB examination, where you will tackle 40 Mathematics questions within a mere 26 minutes, it is paramount to absorb and apply the information presented on this page. Your attentiveness to this resource will undoubtedly contribute to a well-prepared and successful performance in your upcoming JAMB Mathematics paper.

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