NCO Cyber Olympiad (SOF) Class 7: Questions 111  115 of 417
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Question number: 111
» Mental Ability » Number Games
Question
A man has Rs. 380 in the denominations of 1rupee notes, 2rupee notes, 5rupee notes and 10rupee notes, 20rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?
Choices
Choice (4)  Response  

a.  75  
b.  48  
c.  50  
d.  66 
Question number: 112
» Verbal Reasoning » Series Completion
Question
90,180,360, ________
Choices
Choice (4)  Response  

a.  150  
b.  720  
c.  175  
d.  252 
Question number: 113
» Mental Ability » Basic Algebra
Question
If and are any two rational numbers then we define:
Thus, subtracting a rational number means adding its additive inverse.
Based on the statement given above solve the following problem: Subtract from .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 114
» Mental Ability » Basic Algebra
Question
If and be any two rational numbers then we define:
Thus, subtracting a rational number means adding its additive inverse. Based on the statement given above solve the following Problem: Subtract from .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 115
» Mental Ability » Basic Arithmetic
Question
A cistern can be filled by two tapes A and B in 12 hours and 16 hours respectively. The full cistern can be emptied by a third tap C in 8 hours. If all the taps were turned on at the same time, in how much time will the empty cistern be filled up completely?
Choices
Choice (4)  Response  

a.  24 hours  
b.  48 hours  
c.  40 hours  
d.  36 hours 