Q32.
If n is an integer between 10 and 99, is n＜80?
(1) the sum of the two digits of n is a prime number.
(2) each of the two digits of n is a prime number.
The answer is B but my answer is E
(1) (1+8=prime) 81＞80 18＜80 , so wrong
(2) 79＜80 97＞80, so wrong
(1)+(2) 29＜80 92＞80 ,so the answer is E | 
