Data Sufficiency (DS) | Re: If a + b + c < 0, is c < 5 ? (1) c < a + b + 5 (2) a + b + 5 > 0

a+b+c<0... (K)

(1) c < a + b + 5
Rewrite equation as -a-b+c<5 ----- (m)
Adding equation k and m
2c<5
c<5/2
So c is surely less than 5
Sufficient

(2) a + b + 5 > 0

Rewriting equation

-a-b-5<0 ----- (n)

Adding equation k and n
c-5<0
c<5

Sufficient

Answer. D
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