Question

numbers 1 to 20 are written on slips of papers and put in a box . a slip is to be drawn from it write the probability of prime​

Answer 1

Step-by-step explanation:

prime no.s between 1-20. ,

1,3,5,7,11,13,17,19

therefore , nos of prime= 8

upon total numbers = 20

= 8/20

= 2/5

hope it helps u