The sum of a two-digit number and the number formed by reversing its digits is always a multiple of

A.
5
B.
9
C.
10
D.
11
Mathematics
Competition
Math League
Exam No:2020 First Round Grade 5 Year:2020 Question No:25

Answer:

D

Knowledge points:

G5 - Number Theory - Division with Remainder (Cyclical Patterns)

Solution:

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