Jambmaths

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Maths Question
Question 41

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 at least four days in the term?

Question 42
Question 43

The pie chart above represents 400 fruit in display in a grocery store. How many apples are in the store?

 

Question 44
Question 45

5, 8, 6 and k occur with frequencies 3, 2, 4 and 1 respectively and have a mean of 5.7. Find the value of k

Question 46

What is the mean deviation of x , 2x, x +1, and 3x, if the mean is 2

Question 47

In how many ways can a delegates of 3 be chosen 5men and 3woman, if at least 1man and 1 woman must be included?

Question 48

In how many can 9 people be seated if 3 chairs are available?

Question 49

The probability of a student passing any examination is $\tfrac{2}{3}$.If the student takes three examinations. What is the probability that he will not pass any of them?

Question 50

Mark

2

3

4

5

6

7

8

9

No of student

3

4

1

0

4

5

2

1

The table above shows the distribution of marks in a test. Find the probability of passing the test if the pass mark is 5

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