Mathematics 2019 Past Questions | JAMB

Study the following Mathematics past questions and answers for JAMBWAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.

  1. Make q the subject of the formula in the equation \(\frac{mn}{a^2} – \frac{pq}{b^2} = 1\)
  • A.  \(q = \frac{b^2(mn – a^2)}{a^2 p}\)
  • B.  \(q = \frac{m^2 n – a^2}{p^2}\)
  • C.  \(q = \frac{mn – 2b^2}{a^2}\)
  • D.  \(q = \frac{b^2 (n^2 – ma^2)}{n}\)

2.  The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°. Find the height of the tree correct to the nearest whole number.

  • A. 148m
  • B. 382m
  • C. 282m
  • D. 248m

3.  A binary operation  is defined by mn=mn+mnm⊗n=mn+m−n on the set of real numbers, for all m, n  R. Find the value of 3  (2  4).

  • A. 6
  • B. 25
  • C. 15
  • D. 18
4. 
Age in years 7 8 9 10 11
No of pupils 4 13 30 44 9
The table above shows the number of pupils in a class with respect to their ages. If a pie chart is constructed to represent the age, the angle corresponding to 8 years old is
  • A. 48.6°
  • B. 56.3°
  • C. 46.8°
  • D. 13°

5.  In a class of 50 students, 40 students offered Physics and 30 offered Biology. How many offered both Physics and Biology?

  • A. 42
  • B. 20
  • C. 70
  • D. 54
6. Rationalize  \(\frac{\sqrt{2} + \sqrt{3}}{\sqrt{2} – \sqrt{3}}\)
  • A. \(-5 – 2\sqrt{6}\)
  • B. \(-5 + 3\sqrt{2}\)
  • C. \(5 – 2\sqrt{3}\)
  • D. \(5 + 2\sqrt{6}\)

7. IMG 20191212 144250%20%282%29

Find the length of the chord |AB| in the diagram shown above.

  • A. 4.2 cm
  • B. 4.3 cm
  • C. 3.2 cm
  • D. 3.4 cm

8. Given  sin58°=cosp°

find p.

  • A. 48°
  • B. 58°
  • C. 32°
  • D. 52°

9. \(\frac{\frac{2}{3} \div \frac{4}{5}}{\frac{1}{4} + \frac{3}{5} – \frac{1}{3}}\)

  • A. \(\frac{31}{50}\)
  • B. \(\frac{20}{31}\)
  • C. \(\frac{31}{20}\)
  • D. \(\frac{50}{31}\)

10. If \(6x^3 + 2x^2 – 5x + 1\) divides \(x^2 – x – 1\), find the remainder.

  • A. 9x + 9
  • A. 2x + 6
  • B. 6x + 8
  • C. 5x – 3
Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments
0 0 vote
Article Rating
Share This:
0
Would love your thoughts, please comment.x
()
x
Scroll to Top

join

naijavarcity

Subscribe to our mailing list and get latest school news

%d bloggers like this: