elavendan1 wrote:

I don't quite understand this problem.

1. "Least positive integer multiple of 4 that is greater than or equal to integer n" ---> 12. So, the least positive integer which is greater than or equal to n is 12 means, isn't n=12?

elavendan1Lets say n = 8. The least positive integer multiple of 4 that is greater than or equal to integer 8 ? = 8

Lets say n = 9. The least positive integer multiple of 4 that is greater than or equal to integer 9 ? = 12

Lets say n = 10. The least positive integer multiple of 4 that is greater than or equal to integer 10 ? = 12

Lets say n = 11. The least positive integer multiple of 4 that is greater than or equal to integer 11 ? = 12

Lets say n = 12. The least positive integer multiple of 4 that is greater than or equal to integer 12 ? = 12

Lets say n = 13. The least positive integer multiple of 4 that is greater than or equal to integer 13 ? = 16

So as we can see above only values 9, 10, 11, 12 satisfy statement 1

elavendan1 wrote:

2. n is equal to sum of two consecutive prime numbers. The only set of consecutive prime numbers is 2,3. If you consider 3 and 5 are consecutive prime numbers or 5 and 7, then all prime numbers are consecutive as well. Even 19 and 21 are consecutive.

What I actually got is, D.

Am I missing something?

Yes, all adjacent prime numbers are consecutive. That is why the statement2 itself is insufficient to find the value of n

Now, if we combine statements 1 and 2

=> only 12 is the sum of two consecutive prime numbers and hence n = 12

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