Advertisements
Advertisements
प्रश्न
If A = {1, 2, 3, 4, 5} and B = {1, 3, 7}, then A ∩ B = ?
उत्तर
A = {1, 2, 3, 4, 5} and B = {1, 3, 7}
A ∩ B = {1,3}
APPEARS IN
संबंधित प्रश्न
Two digit numbers are formed using the digits 0, 1, 2, 3, 4, 5 where digits are not repeated.
P is the event that the number so formed is even.
Q is the event that the number so formed is greater than 50.
R is the event that the number so formed is divisible by 3.
Then write the sample space S and events P, Q, R using set notation.
Two different dice are tossed together. Find the probability :
1) of getting a doublet
2) of getting a sum 10, of the numbers on the two dice.
A card is drawn at random from a well-shuffled deck of playing cards. Find the probability that the card drawn is either a king or a queen.
A target shown in Fig. below consists of three concentric circles of radii, 3, 7 and 9 cm
respectively. A dart is thrown and lands on the target. What is the probability that the dart will land on the shaded region?
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.
In a hockey team, there are 6 defenders, 4 offenders, and 1 goalee. Out of these, one player is to be selected randomly as a captain. Find the probability of the selection that – The goalee will be selected.
A box contains 80 discs which are numbered from 1 to 80. If one disc is drawn at random from the box, find the probability that it bears a perfect square number.
A piggy bank contains hundred 50 paise coins, fifity ₹1 coins, twenty ₹2 coins and ten ₹5 coins. If it is equally likely that one of the coins will fall out when the bank is turned upside down, find the probability that the coin which fell will be of value more than ₹1
Red queens and black jacks are removed from a pack of 52 playing cards. A card is drawn at random from the remaining cards, after reshuffling them. Find the probability that the card drawn is of red colour
In a single throw of a pair of dice, the probability of getting the sum a perfect square is
Two numbers 'a' and 'b' are selected successively without replacement in that order from the integers 1 to 10. The probability that\[\frac{a}{b}\] is an integer, is
If a die is rolled, what is the probability that number appearing on upper face is less than 2?
Cards numbered 1 to 30 are put in a bag. A card is drawn at random from the bag. Find the probability that the number on the drawn card is a prime number greater than 7.
A carton consists of 100 shirts of which 88 are good and 8 have minor defects. Rohit, a trader, will only accept the shirts which are good. But Kamal, an another trader, will only reject the shirts which have major defects. One shirt is drawn at random from the carton. What is the probability that it is acceptable to Rohit.
All kings, queens and aces are removed from a pack of 52 cards. The remaining cards are well-shuffled and then a card is drawn from it. Find the probability that the drawn card is a red card.
A coin is tossed. What is the probability of getting:
a tail?
A coin is tossed twice. Find the probability of getting: exactly one head
Two coins are tossed together. What is the probability of getting:
(i) at least one head
(ii) both heads or both tails.
The probability of getting less than 3 in a single throw of a die is ____________.
A bag contains 25 cards, numbered through 1 to 25. A card is drawn at random. What is the probability that the number on the card drawn is a perfect square?
