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Q1. A fair die is thrown once. What is the probability of getting 4?
Only one favorable outcome (4) out of 6 outcomes. Probability = 1/6.
General Aptitude
Probability
Strengthen probability basics using dice, cards, and selection-based question sets with explanations.
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Q2. A bag has 1 red and 3 blue balls. Probability of picking a red ball?
Favorable outcomes = 1, total outcomes = 4. So probability = 1/4.
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Q3. A bag has 4 red and 2 blue balls. Probability of picking a red ball?
Favorable outcomes = 4, total outcomes = 6. So probability = 4/6.
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Q4. A bag has 1 red and 6 blue balls. Probability of picking a red ball?
Favorable outcomes = 1, total outcomes = 7. So probability = 1/7.
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Q5. A bag has 4 red and 8 blue balls. Probability of picking a red ball?
Favorable outcomes = 4, total outcomes = 12. So probability = 4/12.
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Q6. A bag has 4 red and 5 blue balls. Probability of picking a red ball?
Favorable outcomes = 4, total outcomes = 9. So probability = 4/9.
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Q7. A bag has 2 red and 5 blue balls. Probability of picking a red ball?
Favorable outcomes = 2, total outcomes = 7. So probability = 2/7.
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Q8. A bag has 1 red and 2 blue balls. Probability of picking a red ball?
Favorable outcomes = 1, total outcomes = 3. So probability = 1/3.
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Q9. A bag has 6 red and 7 blue balls. Probability of picking a red ball?
Favorable outcomes = 6, total outcomes = 13. So probability = 6/13.
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Q10. A bag has 4 red and 7 blue balls. Probability of picking a red ball?
Favorable outcomes = 4, total outcomes = 11. So probability = 4/11.
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Q11. A bag has 6 red and 6 blue balls. Probability of picking a red ball?
Favorable outcomes = 6, total outcomes = 12. So probability = 6/12.
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Q12. From a standard 52-card deck, what is the probability of drawing a Heart?
There are 13 hearts in 52 cards. Probability = 13/52 = 1/4.
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Q13. A bag has 5 red and 7 blue balls. Probability of picking a red ball?
Favorable outcomes = 5, total outcomes = 12. So probability = 5/12.
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Q14. A bag has 3 red and 4 blue balls. Probability of picking a red ball?
Favorable outcomes = 3, total outcomes = 7. So probability = 3/7.
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Q15. A bag has 6 red and 3 blue balls. Probability of picking a red ball?
Favorable outcomes = 6, total outcomes = 9. So probability = 6/9.
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Q16. A bag has 5 red and 3 blue balls. Probability of picking a red ball?
Favorable outcomes = 5, total outcomes = 8. So probability = 5/8.
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Q17. A bag has 1 red and 4 blue balls. Probability of picking a red ball?
Favorable outcomes = 1, total outcomes = 5. So probability = 1/5.
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Q18. A bag has 2 red and 6 blue balls. Probability of picking a red ball?
Favorable outcomes = 2, total outcomes = 8. So probability = 2/8.
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Q19. A bag has 4 red and 6 blue balls. Probability of picking a red ball?
Favorable outcomes = 4, total outcomes = 10. So probability = 4/10.
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Q20. A bag has 2 red and 8 blue balls. Probability of picking a red ball?
Favorable outcomes = 2, total outcomes = 10. So probability = 2/10.
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Probability Practice Questions with Answers
Build speed and accuracy with curated probability practice. Each quiz includes solved explanations, timed mode, and instant correctness feedback to help with placement tests and competitive exams.
How to prepare effectively for probability?
Start with daily timed sets, review every explanation, and note recurring mistake patterns for revision.
Are these probability questions useful for placements?
Yes. The format mirrors common aptitude screening rounds with objective questions and option-based answers.