ArithmeticBasic Statistics (IAS Prelims CSAT PaperII (Aptitude)): Questions 1  4 of 6
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Question number: 1
» Arithmetic » Basic Statistics
Appeared in Year: 2014
Question
The following table shows the marks obtained by two students in different subjects:
Student A  Maximum Marks  Student B  Maximum Marks  
English  60  100  80  150 
Psychology  70  100  70  100 
History  50  100  60  100 
Sanskrit  30  50  15  25 
The difference in the mean aggregate percentage marks of the students is
Choices
Choice (4)  Response  

a.  2.5% 

b.  13.75% 

c.  Zero 

d.  1.25% 

Question number: 2
» Arithmetic » Basic Statistics
Appeared in Year: 2017
Question
If for a sample data
Mean < Median < Mode then the distribution is
Choices
Choice (4)  Response  

a.  neither symmetric nor skewed 

b.  skewed to the right 

c.  skewed to the left 

d.  symmetric 

Question number: 3
» Arithmetic » Basic Statistics
Appeared in Year: 2017
Question
There are thirteen 2digit consecutive odd numbers. If 39 is the mean of the first five such numbers, then what is the mean of all the thirteen numbers?
Choices
Choice (4)  Response  

a.  47 

b.  45 

c.  51 

d.  49 

Question number: 4
» Arithmetic » Basic Statistics
Appeared in Year: 2017
Question
Four tests—Physics, Chemistry, Mathematics and Biology are to be conducted on four consecutive days, not necessarily in the same order. The Physics test is held before the test which is conducted after Biology. Chemistry is conducted exactly after two tests are held. Which is the last test held?
Choices
Choice (4)  Response  

a.  Mathematics 

b.  Biology 

c.  Chemistry 

d.  Physics 
