Mental Ability (NCO Cyber Olympiad (SOF) Class 4): Questions 138  141 of 351
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Question number: 138
» Mental Ability » Number Games » Number Series
Question
The address of the house on a street follow a skip counting pattern, as shown below.
What is the address of the house with question mark?
Choices
Choice (4)  Response  

a.  301 

b.  304 

c.  302 

d.  303 

Question number: 139
» Mental Ability » Basic Arithmetic
Question
A number machine takes any number put into the machine and follows the given rule shown in machine. If the number 13 is put into the machine, what number comes out?
Choices
Choice (4)  Response  

a.  31 

b.  33 

c.  13 

d.  23 

Question number: 140
» Mental Ability » Basic Arithmetic
Question
Every week, Brijesh changes the security code on his computer. He follows steps to come up with a new code.
Step 1: He finds the sixth word of the first sentence on the sixth page of that day’s newspaper.
Step 2: He finds the number that goes with each of the letters in that word (A = 1, B = 2, and so on)
Step 3: He add all the numbers for the letters in the word. The total number is his security code.
Today, the first sentence on the sixth page is, “the news sculpture made of steel was placed in the town square today. ” What is Brijesh’s news security code?
Choices
Choice (4)  Response  

a.  49 

b.  44 

c.  59 

d.  61 

Question number: 141
» Mental Ability » Basic Arithmetic
Question
Find the largest number which can exactly divide 324,243 and 1215
Choices
Choice (4)  Response  

a.  27 

b.  17 

c.  25 

d.  19 
