2009 - JAMB Mathematics Past Questions and Answers - page 5
No. of Days | 1 | 2 | 3 | 4 | 5 | 6 |
No. of students | 20 | 2x | 60 | 40 | x | 50 |
The distribution above shows the number of days a group of 260 students were absent from school in a particular term. How many students were absent for t least four days in the term

The probability of a student passing any examination is 2/3. If the students takes three examination, what is the probability that he will not pass any of them
5, 8, 6 and k occur with frequency 3, 2, 4, and 1 respectively an d have a mean of 5.7. Find the value of k
What is the mean deviation of x, 2x, x+1 and 3x. If their mean is 2?
In how many ways can a delegation of 3 be chosen from 5 men and 3 women. If at least 1 man and 1 woman must be included?
In how many ways can 9 people be seated if 3 chairs are available
Marks | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
No. of students | 3 | 4 | 1 | 0 | 4 | 5 | 2 | 1 |
The table above shows the distribution of marks of students in a test. Find the probability of passing the test if the pas mark is 5
3 |
5 |
2 |
5 |
7 |
20 |
1 |
5 |
Subtract 164189 from 186309
If 55x + 52x = 7710, find x.