Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 16)
16.
If the number 517*324 is completely divisible by 3, then the smallest whole number in the place of * will be:
Answer: Option
Explanation:
Sum of digits = (5 + 1 + 7 + x + 3 + 2 + 4) = (22 + x), which must be divisible by 3.
x = 2.
Discussion:
52 comments Page 6 of 6.
Suma said:
3 years ago
The divisibility rule of 3 is to add all the digits, that number should be divisible by 3.
Here 5+1+7+*+3+2+4 = 22+*.
If we add 2 to it, then22+2 = 24.
Where 24 is divisible by 3.
Therefore, the value of * is 2.
Here 5+1+7+*+3+2+4 = 22+*.
If we add 2 to it, then22+2 = 24.
Where 24 is divisible by 3.
Therefore, the value of * is 2.
(16)
Kyomuhendo Catherine said:
2 months ago
Thank you, everyone, l have understood the answer.
(1)
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