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.
Question 77:
Evaluate \(\frac{2\sin 30 + 5\tan 60}{\sin 60}\), leaving your answer in surd form.
View Answer & ExplanationQuestion 78:
In the circle above, with centre O and radius 7 cm. Find the length of the arc AB, when < AOB = 57°.
View Answer & ExplanationQuestion 79:
Calculate the volume of the regular three dimensional figure drawn above, where < ABC = 90° (a right- angled triangle).
View Answer & ExplanationQuestion 80:
The histogram above represents the number of candidates who did Further Mathematics examination in a school. How many candidates scored more than 40?
View Answer & Explanation