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by sanju09 » Thu May 03, 2012 4:56 am
kullayappayenugula wrote:If the sum of 25 distinct prime numbers is even, then ____ is always one of them.

1. 2
2. 3
3. 5
4. 7
2 is always one of them. Reason being that the remaining 24 primes are all odd, and would add up to some even number x; and then x + 2 is yet another even.
The mind is everything. What you think you become. –Lord Buddha



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