Arithmetic (IAS (Admin.) Prelims CSAT PaperII (Aptitude)): Questions 4  6 of 20
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Question number: 4
» 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: 5
» Arithmetic » HCF and LCM
Appeared in Year: 2014
Question
A bell rings every 18 minutes. A second bell rings every 24 minutes. A third bell rings every 32 minutes. If all the three bells ring at the same time at 8 o’clock in the morning, at what other time will they all ring together?
Choices
Choice (4)  Response  

a.  12: 48 hrs 

b.  13: 04 hrs 

c.  12: 40 hrs 

d.  12: 56 hrs 

Question number: 6
» Arithmetic » Sets and Venn Diagrams
Appeared in Year: 2014
Question
There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. 10 students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English?
Choices
Choice (4)  Response  

a.  21, 11 and 29 respectively 

b.  37, 27 and 13 respectively 

c.  28, 18 and 22 respectively 

d.  39, 29 and 11 respectively 
