Mental Ability (NCO Cyber Olympiad Class 9): Questions 181  184 of 219
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Question number: 181
» Mental Ability » Number Games » Number Series
Question
Count each 7 which is not immediately preceded by 5 but is immediately followed by either 2 or 3. How many such 7 are there?
5 7 2 6 5 7 3 8 3 7 3 2 2 5 7 2 7 3 4 8 2 6 7 8
Choices
Choice (4)  Response  

a.  3  
b.  4  
c.  5  
d.  2 
Question number: 182
» Mental Ability » Basic Algebra
Question
A 200cm piece of wire was cut into equal segments, which were then soldered at the ends to form the edges of a square. What is the Area of the square?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 183
» Mental Ability » Basic Algebra
Question
Ms Sunena works at a Electronic shop. Last week she sold 7 more than 4 times the number of TVs that she sold this week. Ms. Sunena sold a total of 100 TVs over the 2 weeks. Which system of equations can be used to find P, the number of TVs she sold last week and Q the number of TVs she sold this week?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 184
» Mental Ability » Basic Algebra
Appeared in Year: 2011
Question
The given cube is constructed so that the sphere shown would fit inside it, touching the center of each face of the cube at exactly one point. Which of the following lengths best represents the diameter of the sphere?
Choices
Choice (4)  Response  

a.  LJ  
b.  LK  
c.  HK  
d.  HJ 