Search SchoolNGR

Tuesday, 21 April 2026
Register . Login

Mathematics Past Questions and Answers

Jamb 2019 Mathematics Questions

Question 76:
Marks 1 2 3 4 5
Frequency 2y - 2 y - 1 3y - 4 3 - y 6 - 2y


The table above is the distribution of data with mean equals to 3. Find the value of y.
  • A 5
  • B 2
  • C 3
  • D 6
View Answer & Explanation
Question 77:
Evaluate \(\frac{2\sin 30 + 5\tan 60}{\sin 60}\), leaving your answer in surd form.
  • A \(\frac{2\sqrt{3}}{3} + 10\)
  • B \(\frac{3\sqrt{2} - 1}{5}\)
  • C \(\frac{3\sqrt{2} + 1}{5}\)
  • D \(\frac{2\sqrt{3}}{3} - 10\)
View Answer & Explanation
Question 78:
In the circle above, with centre O and radius 7 cm. Find the length of the arc AB, when < AOB = 57°.
  • A 5.32 cm
  • B 4.39 cm
  • C 7.33 cm
  • D 6.97 cm
View Answer & Explanation
Question 79:
Calculate the volume of the regular three dimensional figure drawn above, where < ABC = 90° (a right- angled triangle).
  • A 394 cm\(^3\)
  • B 425 cm\(^3\)
  • C 268 cm\(^3\)
  • D 540 cm\(^3\)
View Answer & Explanation
Question 80:
The histogram above represents the number of candidates who did Further Mathematics examination in a school. How many candidates scored more than 40?
  • A 100
  • B 79
  • C 150
  • D 90
View Answer & Explanation