Latest IBM Aptitude Question SOLUTION: What is the value of M and N respectively? If M39048458N is divisible by 8 & 11; Where M & N are single digit integers?

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What is the value of M and N respectively? If M39048458N is divisible by 8 & 11; Where M & N are single digit integers?

Asked In IBM (12 years ago)

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Sanjana Patnaik  (12 years ago)

In order to be divisible by 8, the last three Nos. must be divisible by 8.
Hence the N must be 4
Next, the given number should be divisible by 11:
(M+9+4+4+8) -(3+0+8+5+4)

Is this solution Helpfull? Yes (7) | No (1)  

Sanjana Patnaik  (12 years ago)

I had not done the full solution.
(M+5)MUST BE DIVISIBLE BY 11
hence M must be 6
Hence, M is 6 and N is 4

Is this solution Helpfull? Yes (5) | No (4)  

Praveen Kumar Vishwakarma  (9 years ago)

m=6
n=4

Is this solution Helpfull? Yes (2) | No (1)  

promila   (11 years ago)

ans in m=6 and n=3

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meha  (7 years ago)

if any number is divisible by 8 then the last three digits of a that number should be divisible by 8 also,
so, 58N should be divisible by 8.
in this way we find if N=4 then 584 is divisible by 8.
so , N=8
now,if the number is divisible by 11 then the differences of the sum of the digits places at odd and even places should be divisible by 11 ,
sum of the digits at even places =3+0+8+5+N
=16+N (N=4)
=20
SUM OF THE DIGITS AT ODD PLACES=M+9+4+4+8
=M+25



now, (M+25)-20 should be divisible by 11
i.e. M+5 should be divisible by 11 and M should be a single digit.
so if M=6 , then M+5 =11 is divisible by 11.


Ans. M=6, N=4

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sonal priyanka  (7 years ago)

THe value of M=2 and N=4,as the last 3 digits should be divisible by 8.

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