Q3 of 145 Page 4

Write the following sets in roster from:

G = {x : x is a prime number and 80 < x < 100}.


Prime number = Those number which is divisible by 1 and the number itself.

Prime numbers are 2, 3, 5, 7, 11, 13,…


The numbers 80 < x < 100 are


81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100


The elements which are prime and lies between 80 and 100 are 83, 89, 97


So, G = {83, 89, 97}


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