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Probability
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Probability
All Questions (Page: 10)
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All Questions (PDF)
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Study Material (PDF)
All Questions (PDF)
Self Assesment
Sort As
Serial Number
Newly Added
Language
English
Bengali
Click on each question to see answer & solution.
Question No: #91
A green die and a white die are thrown at the same time. What is the probability that the sum of the numbers appearing on the top of the dice is greater than 8 provided that 6 is appeared on the green die.
Ans: `2/3`
SEE SOLUTION
Question No: #92
Find the probability of drawing a diamond card in each of the two consecutive draws from a well-shuffled pack of cards, if the card drawn is not replaced after the first draw.
Ans: `1/17`
SEE SOLUTION
Question No: #93
Four cards are drawn from a full pack of playing cards. Find the probability that there is at least one ace among them.
Ans:
SEE SOLUTION
Question No: #94
The probability of passing of students in Physics is 70% and in Chemistry is 40%. What is the probability of passing only one subject?
Ans: `3/5`
SEE SOLUTION
Question No: #95
The probability that `A` hits a target is `1/3` and the probability that `B` hits it, is `2/5`. What is the probability that the target will be hit, if each one of `A` and `B` shoots at the target?
Ans: `3/5`
SEE SOLUTION
Question No: #96
The probabilities for A, B, and C hitting a target are `1/3`, `1/4` & `1/5` respectively. If they try together, find the probability of exactly one shot hitting the target.
Ans: `13/30`
SEE SOLUTION
Question No: #97
A can hit a target in 3 out of 4 shots and B can hit the target in 4 out of 5 shots. What is the probability of hitting the target ?
Ans: `19/20`
SEE SOLUTION
Question No: #98
A can hit a target 3 times in 6 shots, B: 2 times in 6 shots and C: 4 times in 4 shots. They fix a volley. What is the probability that at least 2 shots hit?
Ans: `2/3`
SEE SOLUTION
Question No: #99
`A` speaks the truth 3 out of 4 times, and `B` 5 out of 6 times. What is the probability that they will contradict each other in stating the same fact?
Ans: `1/3`
SEE SOLUTION
Question No: #100
`A` speaks the truth 8 times out of 10 times. A die is tossed and he reports that it was 5. What is the probability that It was actually 5?
Ans: `4/9`
SEE SOLUTION
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