Write all prime numbers between 50 and 100.

Write each of the following sets in Roster form: A = set of all prime numbers between 70 and 100.

Write all prime numbers between: (i) 70 and 90 (ii) 40 and 85

List all the prime numbers between 20 and 50.

Find all the prime numbers between 50 and 60

Find the mean of all prime numbers between 20 and 50.

Find the mean of all prime numbers between 20 and 50.

Write all the composite and prime numbers between 80 and 90

Write all the proper fractions whose numerator and denominator are prime numbers between 65 and 80.

D = {prime numbers between 7 and 11}.

Which of the following collections is not a set ? (i) The collection of natural numbers between 2 and 20 (ii) The collection of numbers which satisfy the equation x^(2)-5x+6=0 (iii) The collection of prime numbers between 1 and 100 . (iv) The collection of all intelligent women in Jalandhar.