Mental AbilityNumber Games (NCO Cyber Olympiad 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. 

