Mental Ability-Number Games (NCO- Cyber Olympiad Class 7): Questions 15 - 19 of 25

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Question number: 15

» Mental Ability » Number Games » Number Series

MCQ▾

Question

Which sequence follows the rule 6n2 , 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

MCQ▾

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

MCQ▾

Question

Which sequence follows the rule 9n4 , 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

MCQ▾

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

MCQ▾

Question

Dev wrote a sequence using the following steps:

She chose 15 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.

15,5,0,5,10

b.

15,10,5,0,5

c.

15,20,25,30,35

d.

15,10,5,5,10

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