Home
Class 12
MATHS
A key to room number C3 is dropped into...

A key to room number `C_3` is dropped into a jar with five other keys, and the jar is throughly mixed.If keys are randomly drawn from the jar without replacement until the key to room `C_3`, is chosen.then what are the odds in favour that the key to room C will be obtained on the `2^(nd)` try?

Promotional Banner

Similar Questions

Explore conceptually related problems

In a jar, there are 5 black marbles and 3 green marbles. Two marbles are picked randomly one after the other without replacement. What is the possibility that both the marbles are black?

Let A={1,2,3,4,5,6}. Two numbers are drawn with replacement from the set A. What is theprobability that one of them is odd and other is even.

A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3 . Find the number of blue marbles in the jar.

A jar contains 24 marbles some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2//3 . Find the number of blue marbles in the jar.

A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3 . Find the number of blue marbles in the jar.

A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3 . Find the number of blue marbles in the jar.

A jar contains 24 marbles. Some of these are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3 . Find the number of blue marbles in the jar.

If a and b and c are 3 numbers not necessarily different chosen randomly and with replacement from the set {1,2,3,4,5}, then the probability that ab+c is even is