Question

solve!!!!!!!!!!!!!!!!!!!!

Answer 1

Prime numbers from 1 to 50= 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47
Number of prime number= 15
Number of composite number= 35
Ratio=15/45
         =3:7

Answer 2

9)  prime no.s= 2 3 5 7 11 13 17 19 23 31, 37, 41, 43, 47
     comp no.s=4 6 8 9 10 12 14 15 16 18 20 21 22 24 25 26 27 28 29 30 32 33 34 35 36 38 39 40 42 44 45 46 48 49 50

total no of prime numbers =14
total no of composite numbers= 35

ratio=      14:35