Cubes and Dice Practice Question and Answer

Q:

Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?

2332 0

  • 1

    Correct
    Wrong
  • 2

    Correct
    Wrong
  • 3

    Correct
    Wrong
  • 4

    Correct
    Wrong
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Answer : 3. "

"

Q:

Which number is on the face opposite to 6?

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  • 1
    4
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q: Two dice are rolled simultaneously. Find the probability of getting a total of 9. 1607 0

  • 1
    1/3
    Correct
    Wrong
  • 2
    1/9
    Correct
    Wrong
  • 3
    8/9
    Correct
    Wrong
  • 4
    9/10
    Correct
    Wrong
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Answer : 2. "1/9"
Explanation :

Answer: B) 1/9 Explanation: S = { (1, 1), (1, 2), (1, 3), (1, 4),(1, 5), (1, 6), (2, 1), (2, 2),.........(6, 5), (6, 6) } => n(S) = 6 x 6 = 36 E = {(6, 3), (5, 4), (4, 5), (3, 6) } => n(E) = 4 Therefore, P(E) = 4/36 = 1/9

Q:

Four dice positions are shown below. What number will be on the bottom panel if 1 is at the top?

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  • 1
    6
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 3. "2"

Q: When two dice are thrown simultaneously, what is the probability that the sum of the two numbers that turn up is less than 12? 1275 0

  • 1
    35/36
    Correct
    Wrong
  • 2
    17/36
    Correct
    Wrong
  • 3
    15/36
    Correct
    Wrong
  • 4
    1/36
    Correct
    Wrong
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Answer : 1. "35/36"
Explanation :

Answer: A) 35/36 Explanation: When two dice are thrown simultaneously, the probability is n(S) = 6x6 = 36 Required, the sum of the two numbers that turn up is less than 12 That can be done as n(E) = { (1,1), (1,2), (1,3), (1,4), (1,5), (1,6)(2,1), (2,2), (2,3), (2,4), (2,5), (2,6)(3,1), (3,2), (3,3), (3,4), (3,5), (3,6)(4,1), (4,2), (4,3), (4,4), (4,5), (4,6)(5,1), (5,2), (5,3), (5,4), (5,5), (5,6)(6,1), (6,2), (6,3), (6,4), (6,5) } = 35 Hence, required probability = n(E)/n(S) = 35/36.

Q:

Four forms of a dice are shown below. In this dice which word will be on the surface opposite to the world D?

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  • 1
    D
    Correct
    Wrong
  • 2
    A
    Correct
    Wrong
  • 3
    B
    Correct
    Wrong
  • 4
    C
    Correct
    Wrong
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Answer : 2. "A"
Explanation :

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Q:

Three position of a cube are shown below. What will come opposite to face containing ‘5’?

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  • 1
    1
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 1. "1"

Q:

A coloured cube is cut into smaller cubes if there are 8 colourless cubes, then how many smaller cubes are there?

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  • 1
    64
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 1. "64"

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