Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 9): Questions 27  31 of 49
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Question number: 27
» Mental Ability » Basic Arithmetic
Question
In three colored boxesred, green and blue 120 balls are placed. There are twice as many balls in the green and red boxes combined as there are in the blue box and twice as many in the blue as there are in the red box. How many balls are there in the green box?
Choices
Choice (4)  Response  

a.  54 

b.  36 

c.  45 

d.  None of the above 

Question number: 28
» Mental Ability » Basic Arithmetic
Question
This question when simplified is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 29
» Mental Ability » Basic Arithmetic
Question
Question when simplified is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 30
» Mental Ability » Basic Arithmetic
Question
In three colored boxespink, cyan and yellow 240 balls are placed. There are thrice as many balls in the cyan, pink boxes combined as there are in the yellow box, and twice as many in the yellow as there are in the pink box. How many balls are there in the yellow box?
Choices
Choice (4)  Response  

a.  36 

b.  50 

c.  60 

d.  30 

Question number: 31
» Mental Ability » Basic Arithmetic
Question
Divide 116 among four parts such that 5 added to first part, 4 subtracted from second part, third multiplied by 3 and the fourth divided by2 are all equal.
Choices
Choice (4)  Response  

a.  24, 36, 72, 90 

b.  22, 31, 9, 54 

c.  15, 30, 45, 60 

d.  32, 21, 9, 60 
