Hi Madhavi1990,
When dealing with DS prompts, you have to be careful to differentiate between information that is given and the question that is ASKED. Here, we're asked IF 2^K + 3^K = M.
Fact 2 tells us that K=1, but it tells us NOTHING about M.
IF.... M = 5, then the answer to the question is YES.
IF.... M = anything other than 5, then the answer to the question is NO.
Thus, since there's more than one possible answer to the given question, Fact 2 is INSUFFICIENT.
GMAT assassins aren't born,
...
When dealing with DS prompts, you have to be careful to differentiate between information that is given and the question that is ASKED. Here, we're asked IF 2^K + 3^K = M.
Fact 2 tells us that K=1, but it tells us NOTHING about M.
IF.... M = 5, then the answer to the question is YES.
IF.... M = anything other than 5, then the answer to the question is NO.
Thus, since there's more than one possible answer to the given question, Fact 2 is INSUFFICIENT.
GMAT assassins aren't born,
...
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