Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 59)
59.
A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 9 are wrong and the other digits are correct, then the correct answer would be:
Answer: Option
Explanation:
987 = 3 x 7 x 47
So, the required number must be divisible by each one of 3, 7, 47
553681 
(Sum of digits = 28, not divisible by 3)
555181 (Sum of digits = 25, not divisible by 3)
555681 is divisible by 3, 7, 47.
Discussion:
19 comments Page 2 of 2.
Vartika said:
8 years ago
How did they take 36 and 51 initially ? please explain.
(1)
Ramesh said:
9 years ago
I have the doubt how 30 is divided by 3, 7, 47?
Archana said:
1 decade ago
How does 987 = 3 x 7 x 47 comes please explain?
Durgesh said:
9 years ago
Can anyone tell short cut for this problem?
Swathy said:
1 decade ago
Any shortcut available for this problem?
Nidhin said:
5 years ago
How 3, 7, 47 came? Please explain me.
(2)
Manish said:
1 decade ago
@Archana, LSM of 987 is 3, 7 and 47.
Rock said:
1 decade ago
LCM of 987 = 3x7x47.
Prasanna said:
1 decade ago
LSM means?
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