Three of the following four numbers are
alike in a certain way and one is differ-
ent. Pick the number that is different
from the rest.
A. 5138 B. 3128
C. 9178 D. 9158
Answers
Answered by
1
Answer:
A. 5138
Step-by-step explanation:
As the first digit does not have a multiple of 3
Answered by
2
The required "option D. 9158" is correct.
Step-by-step explanation:
To pick, the number that is different from the rest = ?
To check the options:
A. 5138
The sum of 5138 = 5 + 1 + 3 + 9 = 18, is not a prime number.
B. 3128
The sum of 3128 = 3 + 1 + 2 + 8 = 14, is not a prime number.
C. 9178
The sum of 9178 = 9 + 1 + 7 + 8 = 25, is not a prime number.
D. 9158
The sum of 9158 = 9 + 1 + 5 + 8 = 23, is a prime number.
Thus, the required "option D. 9158" is correct.
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