The mean marks for mathematics of a class is 80. If there are 30 students in the class. What is the total marks scored by them together?
1000
2000
2350
2400
The number of hours for which students of a particular class watched television during holidays is shown through the given graph. Answer the following questions. The hours in which maximum number of students watched TV, is
3 - 4 hours
5 - 6 hours
4 - 5 hours
2 - 3 hours
Which of the following is the study of information or data based on a number of things?
Mathematics
Statistics
Economics
Commerce
Study the graph carefully and answer the questions given below it.
The import in 1976 was approximately how many times that of the year 1971?
0.31
1.68
2.41
3.22
The arithmetic mean of 5, 7, 9, 8, 7 is
6.8
7.0
7.2
7.4
Which of the following is correct?
Adjoining pie chart gives the expenditure (in percentage) on various items and savings of a family during a month.The item on which expenditure is equal to the savings of the family, is
Food
Others
Clothes
Education for children
The number of hours for which students of a particular class watched television during holidays is shown through the given graph. Answer the following questions.The number of students watched TV for less than 4 hours, is
4
8
34
22
To draw the graph of a line, the least number of points required is
One
Two
Three
Four
The number of hours for which students of a particular class watched television during holidays is shown through the given graph. Answer the following questions.The number of students spent more than 5 hours in watching TV, is
32
6
14
