Home
Class 12
MATHS
A hat contains a number of cards with 30...

A hat contains a number of cards with 30% white on both sides, 50% black on one side and whit e on the other side, 20% black on both sides. The cards are mixed up, and a single card is drawn at random and placed on the table. Its upper side shows up black. The probability that its other side is also black is `2//9` b. `4//9` c. `2//3` d. `2//7`

Promotional Banner

Similar Questions

Explore conceptually related problems

Two cards are drawn at random and without replacement from a pack of 52 playing cards. Find the probability that both the cards are black.

A card is drawn at random from a pack of 52 playing cards. Find the probability that the card drawn is neither a black card nor a king.

Two cards are drawn at random from a pack of 52 cards.What is the probability that either both are black or both are queens?

One card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is an ace and black.

Two cards are drawn at random from a pack of 52 cards.What is the probalbility that either both are black or both are jacks?

One card is drawn at random from a pack of playing cards the probability that it is an ace or black king or the queen of the heart will be

A card is drawn at random from a well shuffled pack of 52 playing cards. Find the probability of the events that the card drawn is a black card .

One card is drawn from a pack of 52 cards , each of the 52 cards being equally likely to be drawn. Find the probability that the card drawn is black .