Question 577288
There are 20 numbers in 11 - 30
(1) There are 2 perfect squares, 16 and 25,
2/20 are perfect squares
(2) There are 2 multiples of 9, 18, and 27
2/20 are multiples of 9
(3) The primes are 11,13,17,19,23, and 29
6/20 are primes