Free Practice Question
PS · Problem Solving
sub-505
Divisibility/Multiples/Factors
What is the smallest positive number that needs to be added to 38567 to ensure it is divisible by 9?
Answer Choices
Correct answer marked belowA
1
B
3
C
5
7
Correct
E
8
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Explanation
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Official Explanation
Official
To determine the smallest positive number to add to 38567 for it to be divisible by 9, we first calculate the sum of its digits: 3 + 8 + 5 + 6 + 7 = 29. For this sum to be…
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Comments
2
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A
AlstonJan 19, 2025
cheers!
A
AndreaOct 21, 2024
Thanks
What this question tests
What it tests
Your understanding of divisibility rules, least common multiples, and greatest common factors.
Common trap
Forgetting that 1 is not prime and that every integer divides 0.
Details
Difficulty
sub-505
Type
PS
Category