Advertisements
Advertisements
प्रश्न
From a well-shuffled deck of 52 cards, one card is drawn at random. What is the probability of getting a queen?
पर्याय
`1/13`
`1/26`
`4/39`
none of these
उत्तर
`1/13`
Explanation:
Total number of all possible outcomes= 52
Number of queens = 4
∴ P( getting a queen) = `4/52 = 1/13`
APPEARS IN
संबंधित प्रश्न
Two different dice are thrown together. Find the probability of getting a number greater than 3 on each die.
A box consists of 100 shirts of which 88 are good, 8 have minor defects and 4 have major defects. Ramesh, a shopkeeper will buy only those shirts which are good but 'Kewal' another shopkeeper will not buy shirts with major defects. A shirt is taken out of the box at random. What is the probability that
(i) Ramesh will buy the selected shirt?
(ii) 'Kewal' will buy the selected shirt?
Three distinct coins are tossed together. Find the probability of getting
(i) at least 2 heads
(ii) at most 2 heads
Two coins are tossed simultaneously. Write the sample space (S), n(S), the following event A
using set notation and n(A), where ‘A is the event of getting at least one head.’
All the red face cards 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 drawn card is a face card.
A bag contains cards numbered from 1 to 25. A card is drawn at random from the bag. The probability that the number on this card is divisible by both 2 and 3 is
(A)`1/5`
(B)`3/25`
(C)`4/25`
(D)`2/25`
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 (i) a black face card. (ii) a red card.
Choose the correct alternative answer for the following question.
What is the probability of the event that a number chosen from 1 to 100 is a prime number ?
A box contains 5 red, 8 blue and 3 green pens. Rutuja wants to pick a pen at random. What is the probability that the pen is blue?
Two coins are tossed simultaneously. Find the probability of getting exactly one head.
The probability of guessing the correct answer to a certain test questions is\[\frac{x}{12}\] If the probability of not guessing the correct answer to this question is\[\frac{ 2}{3}\] then x =
What is the probability that a non-leap year has 53 Sundays?
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 red face cards are removed from a pack of playing cards. The remaining cards are well shuffled and then a card is drawn at random from them. Find the probability that the drawn card is a red card.
All red face cards are removed from a pack of playing cards. The remaining cards are well shuffled and then a card is drawn at random from them. Find the probability that the drawn card is a face card.
Two dice are rolled simultaneously, write down the total number of possible outcomes.
A father's age is three times the sum of the ages of his two children. After 5 years his age will be two times the sum of their ages. Find the present age of the father.
When a dice is rolled, the six possible outcomes are ______.
A dice is rolled once. What is the probability that the number on top will be odd
Three coins are tossed simultaneously. What is the probability of getting at least one head?