Q53
The remainder , when (22225555 + 55552222) is divided by 7, is
A.
4
B.
5
C.
0
AnswerD.
2
E.
None of these
Answer: Option C
Solution
Answer: Option C
Solution:
an + bn is always divisible by (a + b) when n is odd.So,
(22225555 + 55552222) is always divisible by (2222 + 5555) = 7777
And 7777 is multiple of 7,
so (22225555 + 55552222) is divisible by 7