If the average of 3 consecutive ticket numbers is odd, then the sum of the least and greatest ticket numbers could be

A.
18
B.
20
C.
24
D.
28
Mathematics
Competition
Math League
Exam No:2018 First Round Grade 7 Year:2018 Question No:24

Answer:

A

Knowledge points:

G7 - Number Theory - Parity & Remainder Analysis

Solution:

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