Which of the following statement(s) is/are TRUE?
I. The total number of positive factors of 72 is 12.
II. The sum of the first 20 odd numbers is 400.
III. Largest two-digit prime number is 97
N is the largest two digit number , which when divided by 34 , 4 and 6 lweaves the remainder 1,2 and 54 respectively . What is the remainder when N is divided by 5 ?
A and B are positive integers . If A+B + AB = 65 , then what is the diffrence between A and B (A,B < 15) ?