Probability

Bihar Board Class 10 · Mathematics · 31 past questions

1. Q1 2026

   The probability of a sure event is

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2. Q2 2026

   A die is thrown once ; then the probability that it shows a prime number is

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3. Q3 2026

   Which of the following options cannot be the probability of an event?

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4. Q4 2026

   If $p(E)$ denotes the probability of an event $E$ then

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5. Q5 2026

   The probability of an impossible event is

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6. Q6 2026

   A die is thrown once; then the probability that it shows an odd number is

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7. Q7 2026

   A number is selected at random from the numbers 1 to 30. Then the probability that the selected number is a…

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8. Q8 2026

   If the probability of winning a game is 0.4 then the probability of losing it is

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9. Q9 2025

   If $P(E)=0.02$ then $P(E')$ is equal to

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10. Q10 2025

    Two dice are thrown at the same time. What is the probability that the difference of the numbers appearing on…

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11. Q11 2025

    The probability of getting heads on both the coins in throwing two coins is

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12. Q12 2025

    A month is selected at random in a year. The probability of it being June or September is

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13. Q13 2025

    The probability of getting a number 4 or 5 in throwing a die is

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14. Q14 2024

    What is the probability of an impossible event ?

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15. Q15 2024

    If $P(E) = 0.4$ then the value of $P(E')$ is

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16. Q16 2024

    In the throw of two dice the number of possible outcomes is

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17. Q17 2024

    Which of the following numbers cannot be the probability of an event ?

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18. Q18 2024

    What is the probability of not getting an odd number in a throw of a die once ?

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19. Q19 2023

    Which of the following numbers is not the probability of any event?

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20. Q20 2023

    If E$'$ is the complementary event of an event E then which of the following is true?

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21. Q21 2023

    In throwing a die one time what is the probability of not appearing 2 ?

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22. Q22 2023

    A card is drawn at random from a well-shuffled deck of 52 cards. What is the probability of getting a black…

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23. Q23 2020

    Which of the following numbers cannot be the probability of an event?

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24. Q24 2020

    A card is drawn at random from of a well-shuffled deck of 52 cards. What is the probability of getting a king…

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25. Q25 2020

    The probability of an impossible event is

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26. Q26 2019

    Which of the following cannot be the probability of an event?

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27. Q27 2019

    One card is drawn at random from a well shuffled deck of playing cards, then the probability of getting an…

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28. Q28 2019

    For an event E, which of the following is correct?

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29. Q29 2017

    The probability of certain event will be-

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30. Q30 2016

    If $E$ is an event, then the value of $P(E)+P(E')$ will be

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31. Q31 2015

    किसी असम्भव घटना की प्रायिकता होती है

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