If any four numbers are selected and they are | vedclass

Name: PDF Generator App | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(c) Total number of digits in any number at the unit place is $10$.

$	herefore $ $n(S) = 10$

To get the last digit in product is $1, 3, 5$ or $

Vedclass · Accepted Answer

$\frac{{16}}{{625}}$

Vedclass · Answer

(c) Total number of digits in any number at the unit place is $10$.

$	herefore $ $n(S) = 10$

To get the last digit in product is $1, 3, 5$ or $7$, it is necessary the last digit in each number must be $1, 3, 5$ or $7$.

$	herefore$ $n (A) = 4$,

$	herefore $ $P (A)$ = $\frac{4}{{10}} = \frac{2}{5}$

$	herefore$ Required probability $ = {\left( {\frac{2}{5}} ight)^4} = \frac{{16}}{{625}}$.

If any four numbers are selected and they are multiplied, then the probability that the last digit will be $1, 3, 5$ or $7$ is

Similar Questions

The sum of two positive numbers is $100$. The probability that their product is greater than $1000$ is

One card is drawn from a well shuffled deck of $52$ cards. If each outcome is equally likely, calculate the probability that the card will be not a diamond.

What is the probability that when one die is thrown, the number appearing on top is even

Two cards are drawn from a pack of $52$ cards. What is the probability that one of them is a queen and the other is an ace

The chance of getting a doublet with $2$ dice is