Mental AbilityNumber Games (NCO Cyber Olympiad (SOF) Class 7): Questions 15  19 of 25
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Question number: 15
» Mental Ability » Number Games » Number Series
Question
Which sequence follows the rule , where n represents the position of a term in the sequence?
Choices
Choice (4)  Response  

a.  18,26,34,40,40, … 

b.  8,16,24,32,40, … 

c.  16,12,8, 4,0, … 

d.  4,10,16,22,28, … 

Question number: 16
» Mental Ability » Number Games » Number Series
Question
The first five terms of a pattern are shown below. The rule of the pattern is to multiply by 3 and then addition 3.
3,9, 12,36,39…
What should be the seventh term of this pattern?
Choices
Choice (4)  Response  

a.  120 

b.  116 

c.  119 

d.  117 

Question number: 17
» Mental Ability » Number Games » Number Series
Question
Which sequence follows the rule , where n represents the position of a term in the sequence?
Choices
Choice (4)  Response  

a.  18,16,14,12,10, … 

b.  4,11,17,23,29, … 

c.  18,20,22,24,26, … 

d.  5,14,23,32,41, … 

Question number: 18
» Mental Ability » Number Games » Number Series
Question
The first seven terms of a pattern are shown below. The rule of the pattern is to multiply by 2 and then subtract 1.
5,10,9, 18,17,34,33 …
What should be the tenth term of this pattern?
Choices
Choice (4)  Response  

a.  65 

b.  130 

c.  129 

d.  66 

Question number: 19
» Mental Ability » Number Games » Number Series
Question
Dev wrote a sequence using the following steps:
She chose as the first term.
Each term after the first was 5 more than the immediately preceding term.
What are the first five terms in Sam’s sequence?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

