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XAT Probability — practice questions — page 2

Explore 47 free Probability questions in XAT Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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Probability questions and exercises with answers

Showing questions 31–47 of 47.

Worked practice questions

The probability of getting the number 8 in a single throw of a die is:

  1. One exactly
  2. Half exactly
  3. Sixth exactly
  4. Zero exactly
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Correct answer: D. Zero exactly

1. No face is marked 8. 2. There are no favourable outcomes. 3. So the probability is 0. _Source: syllabus Mathematics, Chapter 15, Probability._

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An event whose probability is 0 is called:

  1. An impossible event
  2. A certain event now
  3. An elementary event
  4. A complementary event
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Correct answer: A. An impossible event

1. It can never occur. 2. Getting 8 on a die is an example. 3. That is an impossible event. _Source: syllabus Mathematics, Chapter 15, Probability._

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The probability of getting a number less than 7 in a single throw of a die is:

  1. 7
  2. 1
  3. 0
  4. 6
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Correct answer: B. 1

1. Every face is below 7. 2. All six outcomes are favourable. 3. So the probability is 1. _Source: syllabus Mathematics, Chapter 15, Probability._

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