Questions of Basic Math with Solutions

1) If x and y are positive integers and x + y = 5, then a possible value for 2x - y is
a) 3
b) -3
c) 2
d) -2
e) 0

2) 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
e) 40

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