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Question


Find the remainder when 1373+185 is divided by 11.


Options:
A .   8
B .   7
C .   10
D .   4
Answer: Option B
:
B

137311r=27311r=3214×811r=(1)14×8=8
Similarly , 18511r=7511r=343×4911r=2×5=10
So, the remainder =8+10=1811r=7.



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