For a+4b to be odd, A must be odd.GmatKiss wrote:If a and b are positive integers, is a + 4b odd?
1) b is even.
2) a is odd.
(1) Insuff.
(2) Suff.
(B)
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even odd
Source: Beat The GMAT — Data Sufficiency |
(1) Insuff.
(2) Suff.
(B)
"Do not confuse motion and progress. A rocking horse keeps moving but does not make any progress."
- Alfred A. Montapert, Philosopher.
- Alfred A. Montapert, Philosopher.
