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Question (11)

QN0015957

Which of the following can never appear as the first number of a sequence?

(A) 0
(B) 1
(C) 0 and 1 both
(D) None of these

Correct Answer: B

Explanation:

The first person has nobody in front, so the number must be 0.

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Question (12)

QN0015958

In a line of 6 children, the sequence is 0, 0, 0, 0, 0, 0. Which statement is correct?

(A) Heights must be increasing.
(B) Heights must be decreasing.
(C) Every child is taller than all children before them.
(D) Every child is shorter than all children before them.

Correct Answer: C

Explanation:

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Question (13)

QN0015959

If a child says “2”, the minimum position they can occupy in the line is:

(A) 2nd
(B) 3rd
(C) 4th
(D) 5th

Correct Answer: C

Explanation:

Two taller children must be in front, so at least three people are ahead including the child.

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Question (14)

QN0015960

In a line of 9 children, the maximum number the last child can say is:

(A) 7
(B) 8
(C) 9
(D) 10

Correct Answer: B

Explanation:

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Question (15)

QN0015961

Which statement is only sometimes true?

(A) A person saying 0 is tallest.
(B) First person says 0.
(C) Tallest person says 0.
(D) Largest possible number in a line of 8 people is 7.

Correct Answer: A

Explanation:

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Question (16)

QN0015962

If the sequence is 0, 1, 1, 1, 1, the second child must be:

(A) Taller than the first child
(B) Shorter than the first child
(C) Equal in height to first child
(D) Cannot be determined

Correct Answer: B

Explanation:

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Question (17)

QN0015963

In a line of 10 children, a child says 5. How many taller children are definitely in front of them?

(A) 4
(B) 5
(C) 6
(D) Cannot be determined

Correct Answer: B

Explanation:

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Question (18)

QN0015964

Which sequence is impossible for a line of 5 children?

(A) 0, 1, 2, 3, 4
(B) 0, 0, 0, 0, 0
(C) 1, 0, 1, 2, 3
(D) 0, 1, 0, 1, 0

Correct Answer: C

Explanation:

The first number can never be 1.

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Question (19)

QN0015965

The activity “Numbers Tell us Things” demonstrates that numbers can represent:

(A) Height only
(B) Position only
(C) Information about an arrangement
(D) Age only

Correct Answer: C

Explanation:

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Question (20)

QN0015966

If the last child in a line of 7 children says 6, that child is definitely the:

(A) Tallest
(B) Second tallest
(C) Shortest
(D) Middle-height child

Correct Answer: C

Explanation:

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Question (11)

Which of the following can never appear as the first number of a sequence?

Explanation:

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Question (12)

In a line of 6 children, the sequence is 0, 0, 0, 0, 0, 0. Which statement is correct?

Explanation:

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Question (13)

If a child says “2”, the minimum position they can occupy in the line is:

Explanation:

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Question (14)

In a line of 9 children, the maximum number the last child can say is:

Explanation:

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Question (15)

Which statement is only sometimes true?

Explanation:

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Question (16)

If the sequence is 0, 1, 1, 1, 1, the second child must be:

Explanation:

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Question (17)

In a line of 10 children, a child says 5. How many taller children are definitely in front of them?

Explanation:

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Question (18)

Which sequence is impossible for a line of 5 children?

Explanation:

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Question (19)

The activity “Numbers Tell us Things” demonstrates that numbers can represent:

Explanation:

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Question (20)

If the last child in a line of 7 children says 6, that child is definitely the:

Explanation:

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