Timer
00:00
Your Answer
A
B
C
D
E
Global Stats
If \(x\) and \(y\) are distinct positive integers and \(x + y\) is even, what is the remainder when \((x + y)^a\) is divided by \(10,\) where \(a\) is a positive integer?
(1) Units digit of \(y\) is \(6.\)
(2) \((xy)^a\) is divisible by \(10.\)
Answer: C
Source: e-GMAT
(1) Units digit of \(y\) is \(6.\)
(2) \((xy)^a\) is divisible by \(10.\)
Answer: C
Source: e-GMAT
