Arithmetic (IAS (Admin.) Prelims CSAT PaperII (Aptitude)): Questions 4  7 of 42
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Question number: 4
» 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: 5
» 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 

Question number: 6
» Arithmetic » Percents
Appeared in Year: 2014
Question
As per agreement with a bank, a businessman had to refund a loan in some equal instalments without interest. After paying 18 instalments he found that 60 percent of his loan was refunded. How many instalments were there in the agreement?
Choices
Choice (4)  Response  

a.  30 

b.  24 

c.  33 

d.  22 

Question number: 7
» 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 
