The mean of five numbers is 14. If four of them are 12, 16, 14, 18 then the fifth number is
10
12
14
15
The difference between the highest and the lowest score is called
Quartile deviation
Standard deviation
Range
Mode
The given pie chart gives the marks scored in an examination by a student in English, Hindi, Science & Technology, Social Science and Mathematics. If the total marks obtained by the student were 540. The subject in which the student scored 105 marks, is _________.
English
Mathematics
Social Science
Hindi
Adjoining pie chart gives the expenditure (in percentage) on various items and savings of a family during a month.If the monthly saving of the family is Rs. 3000, then the monthly expenditure on clothes is
Rs. 1000
Rs. 2000
Rs. 3000
Rs. 4000
The median of the following data is 2, 4, 5, 2, 6, 7, 4
5
6
3
4
To draw the graph of a line, the least number of points required is
One
Two
Three
Four
The range of the following data is 21, 6 , 7, 9 , 4, 8 , 13 , 9.
7
13
17
The arithmetic mean of 5, 7, 9, 8, 7 is
6.8
7.0
7.2
7.4
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
In which year did the import register highest increase over its preceding year?
1973
1974
1975
1982
