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 3 of 6.
Mridul said:
7 years ago
@All.
The rule which one is applied here is only applicable for 3, not for 4 or 5 etc.
The rule which one is applied here is only applicable for 3, not for 4 or 5 etc.
Jay said:
1 decade ago
Let x
and chosen number form option
and 22 + 2 = 24
it.s divided by 8 so answer is 2
and chosen number form option
and 22 + 2 = 24
it.s divided by 8 so answer is 2
Phuntsho dorji said:
9 years ago
Why using addition symbol instead of multiplication?
Please anyone explain to me.
Please anyone explain to me.
Vidyadhar said:
1 decade ago
(5 + 1 + 7 + x + 3 + 2 + 4)
=22+x means
22/3 Remain 1
Then
3-1 = 2
Answer is 2
=22+x means
22/3 Remain 1
Then
3-1 = 2
Answer is 2
Ramesh nigam said:
10 years ago
Can we apply this trick on all numbers, or its just applicable on number 3?
Sudharshan said:
1 decade ago
Can you send anybody divisible rules for remaining numbers 7, 6, 8?
Shiva said:
10 years ago
5 + 1 + 7 + x + 3 + 2 + 4 = 22.
22 + 3 - x = 24.
24/12 = 2.
22 + 3 - x = 24.
24/12 = 2.
Ram said:
1 decade ago
Will this be applicable for all the numbers or only for 3.
Prajith said:
1 decade ago
Is this method is only applicable when the divisor is 3?
Kamal said:
9 years ago
Not understand the solution, please someone help me.
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