Advertisements
Advertisements
Question
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
either a black card or a king
Solution
There are 26 black cards and 4 kings, but two kings are already black. Hence, we only need to count the red kings. Thus, the probability is: (26+2)/52 = 7/13
APPEARS IN
RELATED QUESTIONS
Three coins are tossed together. Find the probability of getting:
at least one head and one tail
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a red card
A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is:
red
If you put 21 consonants and 5 vowels in a bag. What would carry greater probability? Getting a consonant or a vowel? Find each probability.
A glass jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size. Hari takes out a marble from the jar at random. What is the probability that the chosen marble is of red colour?
The probability of an event which is certain to happen is ______.
If a die is thrown, the probability of getting a number greater than 6 is 1.
Classify the following events:
A team winning the match.
Classify the following events:
Christmas will be on 25 December.
Classify the following events:
Today moon will not revolve around the earth.