Mathematics Exam Questions And Answers For Junior Secondary School Students (Jss3)

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EXAM QUESTIONS

JSS3 Mathematics Exam Questions And Answers For Junior Secondary School Students (Jss3)


These Mathematics Exam Questions And Answers  for JSS3 students have been compiled to serve as a reference material to aid teachers set tests and examination questions without much stress.
School pupils/tutors will find it very helpful  in revision and exam preparation.


CLASS: JSS3 SUBJECT: MATHEMATICS TIME: 2 HOURS

1. Factorize x2y2 – 42 A. x2(y2 – 4) B. xy(x2 – 2) C. (xy – 2)(xy + 2)
D. (x2y – 2)(x2y + 2)

2. Without using any calculator find 19.92 A. 421.01 B. 400.01 C. 396.01
D. 390.21

3. Factorize 8xy + 4x2y completely A. 2xy(4 + 2x) B. 4xy(2 + x) C. 4(2xy + x2) D. xy(8 + 4x)

4. The values for a,b and c for x2 + 3x + 1 are ________ respectively A. 0,1 and 3 B. 1, 3 and 0 C. 1, 3 and 1 D. 3, 1 and 1

5. Find the HCF of 4a2b and 6ab A. 2 B. 2ab C. 8a2 D. 12

6. Find 25 x 49 + 64 x 25 by factorization A. 2825 B. 2805 C. 2500
D. 6525

6. Find the simple interest on N20000 for 2 years at 10% per annum for 2 years A. N4000 B. N2500 C. N4500 D.

7. Which of the following equations is used to find the principal A. P =TxR/Ix100 B. P =TxI/Rx100 C. P =Ix100/TxR D. P =Tx100/IxR

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8. Which of the following equations is used to find the rate A. R =PxI/Tx100
B. R =PxT/Ix100 C. R =Ix100/RxT D. R =Ix100/PxT

9. Use the information below to answer questions 10-15 using 8754.08995

10. Round off to 2 decimal places A. 8750 B. 8754.08 C. 8754.00 D. 8754.09

11. Round of to 3 decimal places A. 8754.089 B. 8754. 080 C. 8754.090 D. 8754.0

12. Round of to 1 decimal place A. 9000 B. 8754. 0 C. 8754.1 D. 8754.09

13. Round off to 1 significant figure A. 9000 B. 8754.08995 C. 8754 D. 8

14. Round of to 2 significant figure A. 87 B. 88 C. 8800 D. 8754.09

15. Round of to 3 significant figure A. 875 B. 8750 C. 8754.090 D. 8754.089

16. Add 1012 to 10112 A. 100012 B. 10012 C. 10002 D. 100002

17.Simplify 110112 ¬- 11112 A. 10012 B. 11112 C. 01002 D. 11002

18. Convert 1012 to base 10 A. 610 B. 410 C. 1510 D. 510

19. Change 2210 to base 7 A. 307 B. 317 C. 137 D. 037

19. Add 2123 to 223 A. 10113 B. 11013 C. 10013 D. 12013

20. Simplify 304 – 134 A. 104 B. 114 C. 174 D. 164

21. Simplify 1112 x 1012 A. 100112 B. 1000112 C. 110012 D. 1100012

22. Convert 20113 to base 10 A. 4810 B. 5410 C. 5810 D. 5010

23. Simplify 213 + 223 A. 203 B.433 C. 1203 D. 303

24. Add 2056 to 3526 A. 1016 B. 20026 C. 10116 D. 10016

25.Find the negative difference between (6 + 12) and (9 – 12) A. -21 B. -3 C. -18 D. -12


SECTION B

INSTRUCTION: ANSWER ANY FIVE QUESTIONS FROM

NOTE:  QUESTION NO 1 IS COMPULSORY


  1. Calculate the compound interest on N000 at 10% for 3years.
  2. Convert 11001112 to base 7
  3. The reciprocal of a certain number is given as 0.125. Find the number
  4. Find the product of and the sum of 2 and 2
  5. Factorize x2 + 7x + 6
  6. Expand (3x + 4)(2x – 3)
  7. Factorize 4xy – 10ayz – 4x + 10a
  8. A cone of height 80mm is cut by a plane parallel to its base at a distance of 50mm from the base and a frustum of the cone is formed.
  9. Calculate the volume of the original cone if the volume the removed cone if the volume of the removal cone is 486mm
  10. If the original cone has a mass of 10kg, calculate the mass of the frustum.
  11. In the diagram below, CBIIDE, AD=5cm and DE=9cm. If the area of DAED is 50cm2, what is the area of quadrilateral CBED?

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