Let a , b and c be positive prime integers such that a +b =c .what is the sum of the three smallest possible values of c?
A. 10
B. 25
C. 31
D. 39
সঠিক উত্তরঃ
B.
25
Explanation: Primes involved: 2+3=5, 2+5=7, 2+11=13. Sum of c (5+7+13) = 25.
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