Advertisements
Advertisements
प्रश्न
A die is thrown once. Find the probability of getting a number which
lies between 2 and 6.
उत्तर
Probability of getting a number lying between 2 and 6
Number lying between 2 and 6 on a dice are 3,4 and 5.
Probability of getting a number lying between 2 and 6 = `(3)/(6) = (1)/(2)`
Therefore, the probability of getting a number lying between 2 and 6 is `(1)/(2)`
APPEARS IN
संबंधित प्रश्न
An integer is chosen at random between 1 and 100. Find the probability that it is
1) divisible by 8.
2) not divisible by 8.
A box contains cards bearing numbers from 6 to 70. If one card is drawn at random from the box, find the probability that it bears
(i) a one digit number.
(ii) a number divisible by 5.
(iii) an odd number less than 30.
(iv) a composite number between 50 and 70.
Cards numbered from 11 to 60 are kept in a box. If a card is drawn at random from the box, find the probability that the number on the drawn card is an odd number
All jacks, queens and kings are removed from a pack of 52 cards. The remaining cards are well-shuffled and then a card is randomly drawn from it. Find the probability that this card is a black face card
In a bag there are 44 identical cards with figure of circle or square on them. There are 24 circles, of which 9 are blue and rest are green and 20 squares of which 11 are blue and rest are green. One card is drawn from the bag at random. Find the probability that it has the figure of blue circle and
A die thrown once. What is the probability of getting a number lying between 2 and 6?
Two coins are tossed simultaneously. What is the probability of getting at least one head?
A card is drawn at random from a well-shuffled pack of 52 cards. Find the probability that the drawn card is neither a king nor a queen.
A box contains cards bearing numbers 6 to 70. If one card is drawn at random from the box, find the probability that it bears a composite number between 50 and 70.
A bag contains 18 balls out of which x balls are red. If two more red balls are put in the bag, the probability of drawing a red ball will be `9/8` times the probability of drawing a red ball in the first case. Find the value of x.
Five cards − the ten, jack, queen, king and ace of diamonds are well shuffled with their faces downwards. One card is then picked up at random. What is the probability that the drawn card is the queeen?
A card is drawn at random from a well-shuffled pack of 52 cards. Find the probability that the card drawn is neither a red card nor a queen.
A coin is tossed twice. Find the probability of getting: exactly one tail
In a single throw of a die, find the probability of getting :
(i) 8
(ii) a number greater than 8
(iii) a number less than 8
Two dice are thrown at the same time. Find the probability that the sum of the two numbers appearing on the top of the dice is: less than or equal to 12
There are 24 balls in a pot. If 3 of them are Red, 5 of them are Blue and the remaining are Green then, what is the probability of picking out a Blue ball?
A man is known to speak the truth 3 out of 4 times. He throws a die and a number other than six comes up. Find the probability that he reports it is a six.
On throwing a dice once, the probability of occurence of a composite number is `1/2`.
The probability of getting number 6 in a throw of a dice is `1/6`. Similarly the probability of getting a number 5 is `1/5`.
A dice is rolled once. What is the probability that the number on top will be a multiple of 3
