List of top Mathematics Questions on Probability

Probability of getting at least one head in two coin tosses: ____.
If \( \alpha \) and \( \beta \) (\( \alpha<\beta \)) are the roots of the equation \( (-2 + \sqrt{3})(\sqrt{x} - 3) + (x - 6\sqrt{x}) + (9 - 2\sqrt{3}) = 0 \), \( x \ge 0 \), then \( \sqrt{\frac{\beta}{\alpha}} + \sqrt{\alpha\beta} \) is equal to:
A bag contains 25 balls. Some of them are yellow and others are green. One ball is drawn at random. If probability of getting a green ball is $3/5$, then find the number of yellow balls.
Two dice are rolled together. The probability of getting an outcome $(x, y)$ where $x \gt y$, is
Which of the following can not be the probability of an event ?
Meena calculates that the probability of her winning the first prize in a lottery is $0.08$. If total $800$ tickets were sold, the number of tickets bought by her, is
A bag contains 25 balls. Some of them are yellow and others are green. One ball is drawn at random. If probability of getting a green ball is $3/5$, then find the number of yellow balls.
Which of the following can not be the probability of an event ?
Meena calculates that the probability of her winning the first prize in a lottery is $0.08$. If total $800$ tickets were sold, the number of tickets bought by her, is
A card is drawn at random from a well shuffled deck of 52 playing cards. The probability that it is either a ten or a king is
A bag contains 25 balls. Some of them are yellow and others are green. One ball is drawn at random. If probability of getting a green ball is $3/5$, then find the number of yellow balls.
Meena calculates that the probability of her winning the first prize in a lottery is $0.08$. If total $800$ tickets were sold, the number of tickets bought by her, is
A card is drawn at random from a well shuffled deck of 52 playing cards. The probability that it is either a ten or a king is
Which of the following can not be the probability of an event ?
Assertion (A) : If probability of happening of an event is 0.2p, p $\gt $ 0, then p can’t be more than 5.
Reason (R) : P( \(\overline{E}\) ) = 1 – P(E) for an event E.
Two dice are rolled together. The probability that sum of the numbers obtained is atmost 12, is
If a number is chosen from the first 150 natural numbers, then find the probability that the number is either a multiple of \(3\) or \(4\).
A card is drawn from a deck. Probability of getting king is ____.
A Dice is thrown. Probability of getting an even number is ____.
Assertion (A) : If probability of happening of an event is 0.2p, p $\gt $ 0, then p can’t be more than 5.
Reason (R) : P( \(\overline{E}\) ) = 1 – P(E) for an event E.
Two different dice are rolled together. The probability that both the obtained numbers are less than 4, is
Assertion (A) : If probability of happening of an event is 0.2p, p $\gt $ 0, then p can't be more than 5.
Reason (R) : P(\(\overline{E}\)) = 1 – P(E) for an event E.
Two different dice are rolled together. The probability that both the obtained numbers are less than 4, is
Two dice are thrown simultaneously. The probability of getting a sum of 7 is :
One ticket is drawn at random from a bag containing 50 tickets numbered 1 to 50. The probability that the drawn ticket has a number which is a multiple of 7 is :