Jamb Mathematics Past Questions For Year 1990
Question 26
If the heights of two circular cylinder are in the ratio 2 : 3 and their volumes?
- A. 27 : 32
- B. 27 : 23
- C. 23 : 32
- D. 27 : 23
Question 27
Below are the scores of a group of students in a test \(\begin{array}{c|c} Scores & 1 & 2 & 3 & 4 & 5 & 6 \\ \hline \text{No. of students} & 1 & 4 & 5 & 6 & x & 2\end{array}\) If the average scores is 3.5, find the value of x
- A. 1
- B. 2
- C. 3
- D. 4
Question 28
Find the probability that a number selected at random from 41 to 56 is a multiple of 9
- A. \(\frac{1}{8}\)
- B. \(\frac{2}{15}\)
- C. \(\frac{3}{16}\)
- D. \(\frac{7}{8}\)
Question 29
What is the equation of the quadratic function represented by the graph?
- A. y = x² + x - 2
- B. y = -x² - x + 2
- C. y = x² - x - 2
- D. y = -x² - x + 2
Question 30
In the figure, PS = QS = RS and QSR - 100°, find QPR
- A. 40°
- B. 50°
- C. 80°
- D. 100°
