NCO Cyber Olympiad (SOF) Class 9: Questions 213  218 of 522
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Question number: 213
» Mental Ability » Basic Geometry
Question
How many circles of 3 cm radius can be drawn through each of three given 3 points as center of the circle?
Choices
Choice (4)  Response  

a.  Infinity  
b.  3 only  
c.  9 only  
d.  All of the above 
Question number: 214
» Verbal Reasoning » CodingDecoding
Question
If PLAY is coded as 8123 and RHYME as 49367, how is MALE coded?
Choices
Choice (4)  Response  

a.  6198  
b.  6217  
c.  6285  
d.  6395 
Question number: 215
» Mental Ability » Basic Arithmetic
Question
The bacteria in a culture grows by 20 % in the first hour, decreases by 10 % in the second hour and again increases by 20 % in the third hour. If at the end of the third hour the count of bacteria is 100000. The original count of bacteria in the sample is________
Choices
Choice (4)  Response  

a.  129600  
b.  129300  
c.  129900  
d.  129000 
Question number: 216
» Mental Ability » Basic Algebra
Question
If is factor of , find the value of a.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 217
» Mental Ability » Basic Arithmetic
Question
Sterling gold is 92.5 % pure gold. How many grams of sterling gold must be mixed to a 90 % gold alloy to obtain a 500 gm of a 91 % gold alloy?
Choices
Choice (4)  Response  

a.  50 gm  
b.  150 gm  
c.  200 gm  
d.  100 gm 
Question number: 218
» Non Verbal Reasoning » Cubes and Dices
Question
If the figure shown is folded to make a cube, then what is the letter opposite Red color?
Choices
Choice (4)  Response  

a.  Purple  
b.  Blue  
c.  Green  
d.  Yellow 