Jambmaths
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| Question 41 |
A dice is rolled 240 times and the result depicted in the table above. If a pie chart is constructed to represent the data, the angle corresponding to 4 is |
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| Question 42 |
The table above shows the frequency distribution of ages (in years) of pupils in a certain secondary, what percentage of the total number of pupils is over 15 but less than 21 years |
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| Question 43 |
The table above shows the frequency distribution of ages (in years) of pupils in a certain secondary The cumulative frequency curve above represent the ages of students in a school which age group do 70% of the students belong |
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| Question 44 |
Find the sum of the range and mode of the set of numbers 10,5, 10, 9,8, 7,7,10, 8,10, 8,4, 6,9,10,9,10,9,7,10,6,5. |
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| Question 45 |
If the mean of number 0, x, x + 2, 3x + 6, and 4x + 8 is 4. Find the mean deviation |
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| Question 46 |
The variance of x, 2x, 3x, 4x and 5x is |
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| Question 47 |
In how many can a delegation of 3 be chosen from among 5 men and 3 women. If at least one man and at least one woman must be included. |
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| Question 48 |
In how many ways can the word “MATHEMATICS” be arranged? |
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| Question 49 |
X and Y are two events. The probability of X or Y is 0.7 and the probability of X is 0.4. If X and Y are independent. Find the probability of Y |
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| Question 50 |
If U ={x: x is an integer and 1≤ x ≤ 20} E1 = {x: x is a multiple of 3} E2 = {x: x is a multiple of 4} and an integer is picked at random from U, find the probability that it is not in E2
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