NCO Cyber Olympiad (SOF) Class 10: Questions 89  93 of 461
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Question number: 89
» Mental Ability » Number Games » Number Analogies
Question
If all the numbers from 1 to 50 which are divisible by 5 are arranged in descending order, then which number will be at 7^{th} and 4^{th} places?
Choices
Choice (4)  Response  

a.  40,10 

b.  20,35 

c.  35,20 

d.  45,25 

Question number: 90
» Verbal Reasoning » Analogies
Question
In the following number series how many 6’s are preceded by a square number but not followed by an even number?
9 6 3 2 6 1 7 6 6 4 6 5 9 3 6 1 6 5 6 9
Choices
Choice (4)  Response  

a.  2 

b.  5 

c.  3 

d.  4 

Question number: 91
» Mental Ability » Basic Algebra
Question
One fourth of a herd of horses was seen in forest. Onehalf the square root of the herd had gone to mountains and the remaining 2 horses were seen on the bank of a river. Find the total number of horses.
Choices
Choice (4)  Response  

a.  16 

b.  8 

c.  12 

d.  4 

Question number: 92
» Mental Ability » Basic Arithmetic
Question
At what time between 3 and 4 O’clock are the hands of a clock together?
Choices
Choice (4)  Response  

a.  min, past 2 

b.  min, past 4 

c.  min, past 7 

d.  min, past 3 

Question number: 93
» Verbal Reasoning » Analogies
Question
A pattern exists among the digits in the ones place when 3 is raised to different powers, as shown in the table below. For example, in the number in the ones place is 7.
Numbers in the Ones Place of Powers of 3  
Power of 2  Number in Ones Place 
 3 
 9 
 7 
 1 
 3 
 9 
 7 
 1 
 3 
Which digit is in the ones place in ?
Choices
Choice (4)  Response  

a.  3 

b.  1 

c.  9 

d.  7 
