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:
1
2
None of these
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 4 of 6.

Shailu said:   1 decade ago
Just all see @Nikitha comment she describes it well.

Krish said:   1 decade ago
We can't understand clearly give me a correct notes.

Sonakshi said:   1 decade ago
Hi Janu! can we set this formula with every number?

Kyomuhendo Catherine said:   4 months ago
Thank you, everyone, l have understood the answer.
(1)

Meghana said:   9 years ago
I am not getting this, please explain properly.

Ramakrishna said:   2 decades ago
Not understanding me explain me properly.

Vikas said:   2 decades ago
Why we are adding the given all digits ?

Balaji psg said:   9 years ago
Thank you @Nikitha I can understand now.

Ramana said:   9 years ago
How it comes 22+ x? Please explain it.

Suresh said:   2 decades ago
How can we divide (22+x) by 3 ?


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