Question

a 2 digit is to be formed from 0,1,2,3,4 repetition of numbers is allowed 1 perfect square 2 multiple of 4​

Answer 1

Answer:

5/16

Step-by-step explanation:

Prime Number: A prime number is a number which has only 2 factors, i.e. 1 and the number itself.  

Probability: Probability is the measure of the chance that an event will occur.  

According to Question:-  

Digits Given:  

0,1,2,3 and 4  

Condition:      

No repetition of digits and a two digit number to be formed  

All the possible digit combinations:  

10,12,13,14  

20,21,23,24  

30,31,32,34  

40,41,42,43  

Therefore, there are 16 such combinations fulfilling all conditions.  

Now these are the prime numbers you have got:

13,23,31,41,43

Therefore, the probability of getting a prime number is 5/16.

Hope it helps!