EASY
JEE Advanced
IMPORTANT
Earn 100
A six faced unbiased die is thrown twice and sum of the numbers appearing on the upper face is observed to be . The probability that the number has appeared at least once is
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Important Questions on Fundamentals of Probability
EASY
JEE Advanced
IMPORTANT
A single letter is selected at random from the word 'PROBABILITY'. The probability that it is a vowel is
MEDIUM
JEE Advanced
IMPORTANT
If three squares are chosen on a chess board, then the chance that they should be in a diagonal line is
EASY
JEE Advanced
IMPORTANT
If two cards are drawn simultaneously from the same set, then probability that at least one of them will be the ace of hearts is
EASY
JEE Advanced
IMPORTANT
In a class, there are boys and girls. When students are selected at random, then the probability that girls and boy are selected is
MEDIUM
JEE Advanced
IMPORTANT
The probability of a simultaneous occurrence of at least one of the two events and is . If the probability that exactly one of occurs is , then is equal to
EASY
JEE Advanced
IMPORTANT
If and are any two events, then the probability that exactly one of them occurs is (for an event set , the complement is )
EASY
JEE Advanced
IMPORTANT
If the events and are independent and if and , then is equal to
EASY
JEE Advanced
IMPORTANT
If and , then the events will be
