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Question (11)

QN0010008

A tree diagram for three coin tosses will have how many final outcomes?

(A) 6
(B) 8
(C) 10
(D) 12

Correct Answer: B

Explanation:

Three coin tosses produce 2 × 2 × 2 = 8 outcomes.

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Question (12)

QN0010009

If a coin is tossed twice, what is the probability of getting exactly one tail?

(A) 1/4
(B) 1/2
(C) 3/4
(D) 1

Correct Answer: B

Explanation:

Favourable outcomes are HT and TH out of 4 outcomes.

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Question (13)

QN0010010

In a tree diagram, outcomes are usually shown:

(A) In circular form
(B) Along branches
(C) In bar form
(D) In tabular form only

Correct Answer: B

Explanation:

Outcomes are represented along the branches.

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Question (14)

QN0010011

A bag contains one red and one blue ball. One ball is chosen. How many branches will the tree diagram have from the starting point?

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

Correct Answer: B

Explanation:

There are two possible selections: red or blue.

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Question (15)

QN0010012

Two dice are rolled together. How many outcomes can be represented in a tree diagram?

(A) 12
(B) 18
(C) 24
(D) 36

Correct Answer: D

Explanation:

Total outcomes = 6 × 6 = 36.

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Question (16)

QN0010013

Which event is represented by the outcomes HT and TH in a two-coin tree diagram?

(A) No heads
(B) Exactly one head
(C) Two heads
(D) Two tails

Correct Answer: B

Explanation:

HT and TH each contain exactly one head.

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Question (17)

QN0010014

A tree diagram for selecting breakfast and drink combinations is useful because it:

(A) Reduces outcomes
(B) Organises combinations systematically
(C) Measures quantities
(D) Predicts exact results

Correct Answer: B

Explanation:

Tree diagrams arrange all combinations clearly.

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Question (18)

QN0010015

If a spinner has 3 equal sectors and a coin is tossed once, how many total outcomes are possible?

(A) 3
(B) 5
(C) 6
(D) 8

Correct Answer: C

Explanation:

Total outcomes = 3 × 2 = 6.

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Question (19)

QN0010016

Which of the following is not required to make a tree diagram?

(A) Possible outcomes
(B) Sequential stages
(C) Random guesses only
(D) Branch representation

Correct Answer: C

Explanation:

Tree diagrams are based on actual possible outcomes, not guesses.

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Question (20)

QN0010017

A student chooses one of 2 shirts and one of 3 trousers. How many combinations can be shown using a tree diagram?

(A) 3
(B) 5
(C) 6
(D) 9

Correct Answer: C

Explanation:

Total combinations = 2 × 3 = 6.

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Question (11)

A tree diagram for three coin tosses will have how many final outcomes?

Explanation:

Link:

Question (12)

If a coin is tossed twice, what is the probability of getting exactly one tail?

Explanation:

Link:

Question (13)

In a tree diagram, outcomes are usually shown:

Explanation:

Link:

Question (14)

A bag contains one red and one blue ball. One ball is chosen. How many branches will the tree diagram have from the starting point?

Explanation:

Link:

Question (15)

Two dice are rolled together. How many outcomes can be represented in a tree diagram?

Explanation:

Link:

Question (16)

Which event is represented by the outcomes HT and TH in a two-coin tree diagram?

Explanation:

Link:

Question (17)

A tree diagram for selecting breakfast and drink combinations is useful because it:

Explanation:

Link:

Question (18)

If a spinner has 3 equal sectors and a coin is tossed once, how many total outcomes are possible?

Explanation:

Link:

Question (19)

Which of the following is not required to make a tree diagram?

Explanation:

Link:

Question (20)

A student chooses one of 2 shirts and one of 3 trousers. How many combinations can be shown using a tree diagram?

Explanation:

Link:

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