NCO Cyber Olympiad (SOF) Class 10: Questions 49  54 of 461
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Question number: 49
» Verbal Reasoning » CodingDecoding
Question
If DATE is written in a certain code as 4567, DRIVE as 41237, what will be the 5^{th} digit for DERIVED in the same code?
Choices
Choice (4)  Response  

a.  7 

b.  3 

c.  2 

d.  4 

Question number: 50
» Mental Ability » Basic Statistics
Question
A mathematics game uses a set of 56 cards. There are 5 cards for each of the numerals 0  9 and 6 wild cards. If the cards are shuffled, what is the probability that the top card is a wild card?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 51
» Mental Ability » Basic Statistics
Question
If each number in a set of six numbers is decreased by 2, then the arithmetic mean (average) of the original six numbers
Choices
Choice (4)  Response  

a.  Remains the same 

b.  Is increased by 2 

c.  Is decreased by 2 

d.  Is decreased by 4 

Question number: 52
» Mental Ability » Basic Arithmetic
Question
The mean weight of 90 students in a class is 70 kg. The mean weight of boys is 80 kg while that of the girls is 60 kg. The number of boys and girls are
Choices
Choice (4)  Response  

a.  35,55 

b.  45,45 

c.  25,65 

d.  60,30 

Question number: 53
» Non Verbal Reasoning » Cubes and Dices
Question
Direction: In the following question various faces of a cube are shown. Which number is opposite to 1?
Choices
Choice (4)  Response  

a.  5 

b.  4 

c.  2 

d.  3 

Question number: 54
» Verbal Reasoning » CodingDecoding
Question
If in a certain code . What is the code for ‘CURIOUS’?
Choices
Choice (4)  Response  

a.  6742578 

b.  6732578 

c.  6742758 

d.  7642587 
