Home
Class 12
MATHS
There are two red, two blue, two white, ...

There are two red, two blue, two white, and certain number (greater than 0) of green socks in a drawer. If two socks are taken at random from the drawer without replacement, the probability that they are of the same color is 1/5, then the number of green socks are ________.

Promotional Banner

Similar Questions

Explore conceptually related problems

There are two red, two blue, two white, and certain number (greater than 0 ) of green socks in a drawer. If two socks are taken at random from the drawer 4 without replacement, the probability that they are of the same color is 1/5 , then the number of green socks are ________.

An urn contains 4 balls. Two balls are drawn at random from the urn (without replacement) and are found to be white. What is the probability that all the four balls in the urn are white ?

Two integers are selected at random from integers 1 to 11. If the sum is even, find the probability that both the numbers are odd.

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.

Two numbers are chosen from {1, 2, 3, 4, 5, 6, 7, 8} one after another without replacement. Then the probability that

An urn contains 8 white balls and 6 black balls. Two balls are drawn from the urn one after another without replacement. What is the probability that both the drawn balls are white?

An urn contains 10 black and 5 white balls. Two balls are drawn from the urn one after the other without replacement. What is the probability that both drawn balls are black?

An urn contains nine balls of which three are red, four are blue and two are green. Three balls are drawn at random without replacement from the urn. The probability that the three balls have different colour is