Search found 2 matches
i see my own mistake i misread statement one its n is odd. if i use this statement now i do get that r should be zero and this statement is then sufficient.
- by mana6
Sat Jan 08, 2011 3:26 pm- Forum: Data Sufficiency
- Topic: Remainder Prob
- Replies: 74
- Views: 40025
If n is a positive integer and r is the remainder when (n^2)-1 divided by 8 ,what is the value of r? I do not understand how the answer is a. i did this to get e as my answer: 1) n is not odd n q r 4 1 7 6 4 3 8 7 7 This statement is insufficient because it doesnt definitively give you one answer fo...
- by mana6
Sat Jan 08, 2011 3:19 pm- Forum: Data Sufficiency
- Topic: Remainder Prob
- Replies: 74
- Views: 40025