Let $n$ be the number of ways in which $5$ boys and $5$ girls can stand in a queue in such a way that all the girls stand consecutively in the queue. Let $m$ be the number of ways in which $5$ boys and $5$ girls can stand in a queue in such a way that exactly four girls stand consecutively in the queue. Then the value of $\frac{m}{n}$ is
Let $n$ be the number of ways in which $5$ boys and $5$ girls can stand in a queue in such a way that all the girls stand consecutively in the queue. Let $m$ be the number of ways in which $5$ boys and $5$ girls can stand in a queue in such a way that exactly four girls stand consecutively in the queue. Then the value of $\frac{m}{n}$ is
- [IIT 2015]
- A
$5$
- B
$6$
- C
$7$
- D
$8$
Similar Questions
A bag contains $3$ white and $5$ black balls. If one ball is drawn, then the probability that it is black, is
A bag contains $3$ white and $5$ black balls. If one ball is drawn, then the probability that it is black, is
An unbiased coin is tossed eight times. The probability of obtaining at least one head and at least one tail is
An unbiased coin is tossed eight times. The probability of obtaining at least one head and at least one tail is
- [JEE MAIN 2017]
If four vertices of a regular octagon are chosen at random, then the probability that the quadrilateral formed by them is a rectangle is
If four vertices of a regular octagon are chosen at random, then the probability that the quadrilateral formed by them is a rectangle is
A bag contains $8$ black and $7$ white balls. Two balls are drawn at random. Then for which the probability is more
A bag contains $8$ black and $7$ white balls. Two balls are drawn at random. Then for which the probability is more
There are $n$ letters and $n$ addressed envelops. The probability that each letter takes place in right envelop is
There are $n$ letters and $n$ addressed envelops. The probability that each letter takes place in right envelop is