NSO Level 1 Science Olympiad (SOF) Class 7: Questions 111  117 of 597
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Question number: 111
Question
Given that is the highest common factor of 12 and 36, the value of k is ________.
Choices
Choice (4)  Response  

a.  12  
b.  9  
c.  3  
d.  21 
Question number: 112
Question
If the value of is
Choices
Choice (4)  Response  

a.  33  
b.  22  
c.  11  
d.  44 
Question number: 113
Question
Given that is the highest common factor of 36 and 48, the value of k is ________.
Choices
Choice (4)  Response  

a.  6  
b.  10  
c.  18  
d.  20 
Question number: 114
Question
A box contains 4 blue marbles, 3 red marbles, 5 yellow marbles and 2 pink marbles. If two marbles are picked at random, what is the probability that they are either red or yellow?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 115
Question
1500 tickets of a lottery were sold and there are 5 prizes on these tickets. Your sister has purchased one lottery ticket. What is the probability that your sister wins a prize?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 116
Question
Find the missing number in the given series.
Choices
Choice (4)  Response  

a.  11201  
b.  10202  
c.  10204  
d.  10022 
Question number: 117
Question
A group consists of 5 men 7 women and 4 children. In how many ways can 2 men, 4 women and 1 child selected from the given group?
Choices
Choice (4)  Response  

a.  1390  
b.  1395  
c.  1309  
d.  1400 