Question

there are plastic coins numbered from 1 to 100 if one coin is picked at random then find the probability of 1. single digit number coin 2.coin whose number is neither prime nor composite 3.perfect square number coin 4.coin whose number is divisible by 5​

Answer 1

what number will be rounded off to each of the following thousand 11000

Answer 2

Answer:

1. 9/100

2. 1/100

3. 1/10

4). 19/100

Step-by-step explanation:

1. single unit digit

1,2,3,4,5,6,7,8,9 so,9/100

2.prime are25

composite no are99 excluding 1 so ,

it's answer is1/100

3. perfect square aRe10

so,answer is 10/100=1/10

4. number divisible by 5 are19

so , answer is 19/100