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Probability Questions and Answers for Bank Exams and SSC /tags/probability-problems 
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Here are sharing dice problems related to probability with solutions, in this blog. These questions and answers are important for competitive exams. Here are the explained dice problems in probability in detail which will help you to improve your performance.
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5 Answer : 1
4 Answer : 4
4 Answer : 4
4 Answer : 3
5 Answer : 3
Q:
A school has 45% girls. If 80% of girls score more than 75% marks and 70% of the boys have score more than 75% marks. If a student is selected at random and is found to have more than 75% marks, find the probability of it being a boy.
391 0 64dc7c18d02c5c746bf45d36- 177/149true
- 275/149false
- 3Cannot be determinedfalse
- 411/20false
- 59/20false
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Answer : 1 77/149
Q:
A person can hit a target 5 times out of 8 shots. If he fires 10 shots, what is the probability that he will the target twice?
788 0 64b4f3e1e154aff5337290bd- 1$${1135×3^8}\over 8^{10} $$false
- 2$${1165×3^8}\over 8^{10} $$false
- 3$${1175×3^8}\over 8^{10} $$false
- 4$${1125×3^8}\over 8^{10} $$true
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Answer : 4 $${1125×3^8}\over 8^{10} $$
Q:
A speaks the truth 5 out of 7 times and B speaks truth 8 out of 9 times. What is the probability that they contradict each other in stating the same fact?
- 1$${1\over 7}$$false
- 2$${1\over 9}$$false
- 3$${1\over 4}$$false
- 4$${1\over 3}$$true
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Answer : 4 $${1\over 3}$$
Q:
The probabilities of solving a problem by three students A, B and C are $$3\over 7$$, $$5\over 9$$ and $$1\over 5$$ respectively. The probability that problem will be solved is:
439 0 649e770dab3c5fffc2ee1c4c- 1$$155\over 315$$false
- 2$$64\over 315$$false
- 3$$251\over 315$$true
- 4$$32\over 315$$false
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Answer : 3 $$251\over 315$$
Q:
In a box there are 6 blue ball, X red balls & 10 green balls. Probability of choosing one red ball from the given box is $$ {1\over 3}$$. Then find the sum of red and blue balls in the box?
876 0 619f577cd129fc6243ae369b- 120false
- 212false
- 314true
- 418false
- 516false
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