EWT | Academic Question

Questions
Question (1)
QN009998
A tree diagram is mainly used to:
  • (A) Measure length
  • (B) List possible outcomes systematically
  • (C) Draw graphs
  • (D) Find averages

Correct Answer: B
Explanation:

Tree diagrams help organise and list all possible outcomes systematically.

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Question (2)
QN009999
Which of the following experiments can be represented using a tree diagram?
  • (A) Measuring mass
  • (B) Tossing coins
  • (C) Drawing a rectangle
  • (D) Finding area

Correct Answer: B
Explanation:

Tossing coins produces multiple outcomes that can be represented using branches.

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Question (3)
QN0010000
A coin is tossed twice. How many outcomes are shown in the tree diagram?
  • (A) 2
  • (B) 3
  • (C) 4
  • (D) 6

Correct Answer: C
Explanation:

Outcomes are HH, HT, TH and TT.

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Question (4)
QN0010001
In a tree diagram, each branch represents:
  • (A) A measurement
  • (B) A possible outcome or choice
  • (C) A graph axis
  • (D) A frequency table

Correct Answer: B
Explanation:

Each branch shows one possible outcome or option.

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Question (5)
QN0010002
A die is rolled once. How many branches will start from the first point in a tree diagram?
  • (A) 2
  • (B) 4
  • (C) 6
  • (D) 12

Correct Answer: C
Explanation:

A die has 6 possible outcomes.

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Question (6)
QN0010003
Two coins are tossed simultaneously. What is the probability of getting two heads?
  • (A) 1/4
  • (B) 1/2
  • (C) 3/4
  • (D) 1

Correct Answer: A
Explanation:

Only HH is favourable out of 4 outcomes.

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Question (7)
QN0010004
Which of the following is an outcome when tossing two coins?
  • (A) HT
  • (B) 12
  • (C) 7
  • (D) HHH

Correct Answer: A
Explanation:

HT is one valid outcome in tossing two coins.

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Question (8)
QN0010005
A tree diagram for tossing one coin has how many final branches?
  • (A) 1
  • (B) 2
  • (C) 3
  • (D) 4

Correct Answer: B
Explanation:

One coin toss has two possible outcomes.

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Question (9)
QN0010006
When a die is rolled and a coin is tossed together, how many outcomes are possible?
  • (A) 6
  • (B) 8
  • (C) 10
  • (D) 12

Correct Answer: D
Explanation:

Total outcomes = 6 × 2 = 12.

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Question (10)
QN0010007
Which of the following helps visualise all outcomes clearly?
  • (A) Histogram
  • (B) Bar graph
  • (C) Tree diagram
  • (D) Pie chart

Correct Answer: C
Explanation:

Tree diagrams display outcomes clearly in branching form.

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