Mental Ability (NCO Cyber Olympiad Class 4): Questions 276  283 of 351
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Question number: 276
» Mental Ability » Basic Arithmetic
Question
There were 2340 trees in a forest. In another forest, there were 3420 trees. How many more trees were there in the second forest?
Choices
Choice (4)  Response  

a.  2340  
b.  1080  
c.  5760  
d.  3420 
Question number: 277
» Mental Ability » Basic Arithmetic
Question
If the pattern continues, what is the next number?
10, 11, 20, 21, 30, 31, …
Choices
Choice (4)  Response  

a.  50  
b.  41  
c.  8  
d.  40 
Question number: 278
» Mental Ability » Basic Arithmetic
Question
Find the largest number which can exactly divide 4370, 6099 and 380
Choices
Choice (4)  Response  

a.  27  
b.  17  
c.  19  
d.  25 
Question number: 279
» Mental Ability » Basic Arithmetic
Question
The least number that has to be subtract from 1338 to make it divisible by 3 is
Choices
Choice (4)  Response  

a.  8  
b.  4  
c.  0  
d.  1 
Question number: 280
» Mental Ability » Basic Arithmetic
Question
The place value of 4 in 74326 is
Choices
Choice (4)  Response  

a.  4000  
b.  40  
c.  4  
d.  400 
Question number: 281
» Mental Ability » Basic Arithmetic
Question
The fraction which represents objects cancelled in the collection
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 282
» Mental Ability » Basic Arithmetic
Question
The sixth grade debate competition began at 1: 20 P. M. It lasted 5 hours and 20 minutes. What time did the competition end?
Choices
Choice (4)  Response  

a.  5: 40 A. M  
b.  6: 15 A. M.  
c.  6: 20 P. M  
d.  6: 40 P. M 
Question number: 283
» Mental Ability » Basic Arithmetic
Question
When Monica got to school, she noticed that the sign in front of the school looked like this.
Which of the following best describes, in geometric terms, what happened to the “U”.
Choices
Choice (4)  Response  

a.  A single side  
b.  A single turn  
c.  A single turn and translation  
d.  A single flip 