MEDIUM
11th ICSE
IMPORTANT
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Find the probability of getting an even number on the first die or a total of 8 in a single throw of two dice.

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Important Questions on Probability

MEDIUM
11th ICSE
IMPORTANT
Understanding ISC Mathematics Class 11 Volume 2>Chapter 15 - Probability>EXERCISE>Q 21
If two dice are thrown simultaneously, find the probability of getting a sum of 7 or 11.
MEDIUM
11th ICSE
IMPORTANT
Understanding ISC Mathematics Class 11 Volume 2>Chapter 15 - Probability>EXERCISE>Q 21
If two dice are thrown simultaneously, find the probability of a doublet or a total of 6.
MEDIUM
11th ICSE
IMPORTANT
Understanding ISC Mathematics Class 11 Volume 2>Chapter 15 - Probability>EXERCISE>Q 22
In a class XIth of a school, 40% students are punctual and 30% students are regular. 10% of the students are both punctual and regular. If a student is selected at random from the class, find the probability that he will be punctual or regular or both. 
MEDIUM
11th ICSE
IMPORTANT
Understanding ISC Mathematics Class 11 Volume 2>Chapter 15 - Probability>EXERCISE>Q 23
In an entrance test that is graded on the basis of two examinations, the probability of a randomly chosen student passing the first examination is 0.8 and the probability of passing the second examination is 0.7. The probability of passing at least one of them is 0.95. What is the probability of passing both?
MEDIUM
11th ICSE
IMPORTANT
Understanding ISC Mathematics Class 11 Volume 2>Chapter 15 - Probability>EXERCISE>Q 24
The probability that a student will pass the final examination in both English and Hindi is 0.5 and the probability of passing neither is 0.1 . If the probability of passing the English examination is 0.75, what is the probability of passing the Hindi examination?
MEDIUM
11th ICSE
IMPORTANT
Understanding ISC Mathematics Class 11 Volume 2>Chapter 15 - Probability>EXERCISE>Q 25
In a certain city, the probability of not reading the morning newspaper by the residents is 12 and that of not reading the evening newspaper is 25. The probability of reading both the newspapers is 15. Find the probability that a resident reads either the morning or evening or both the papers. Justify the statement, "Reading newspaper is good habit".
MEDIUM
11th ICSE
IMPORTANT
Understanding ISC Mathematics Class 11 Volume 2>Chapter 15 - Probability>EXERCISE>Q 27
For a post, three persons A, B and C appear in the interview. The probability of A being selected is twice that of B and the probability of B being selected is thrice that of C. If the post is filled, what the probabilities of A, B and C being selected?
HARD
11th ICSE
IMPORTANT
Understanding ISC Mathematics Class 11 Volume 2>Chapter 15 - Probability>EXERCISE>Q 29
Two cards are drawn at random from a pack of 52 cards. What is probability that the cards are either both aces or both black cards?