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## If two digit integer M and N are positive and have same digits, but in reverse order, which of the following cannot be the sum of M and N. (GMAT-MATHS)

## If two digit integer M and N are positive and have same digits, but in reverse order, which of the

following cannot be the sum of M and N. (GMAT-MATHS) a) 181

b) 165

c) 121

d) 99

e) 44

Asked On2019-04-08 13:51:38 by:naikaumprakash

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Download question setAnswersM=10x+y

N=10y+x

M+N=11x+11y=11(x+y)

In other words the answer is a multiple of 11.

Now the question becomes " which of the following is NOT a multiple of 11?"

answer----->181

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