Jamboree Question of the Day - Day 106, Mar 13th 2011

amn = –1. Which of these is definitely true?

I. a = – 1

II. m is odd integer

III. n is odd integer

a. I only

b. I, II only

c. I, III only

d. I, II & III only 

e. None of these

Solution (Posted on Mar 15th):

Answer is A. m, n are not necessarily odd. mn is odd integer.