firas92 wrote:
(1) q is a digit that is the product of two other distinct digits.
q can be any number from 2 to 9
1 is insufficient
(2) q has only one odd factor.
This basically means that q is a power of 2 since all integers have at least one odd factor which is 1.
q can be 2, 4, 8, 16, etc
2 is insufficient
(1)+(2) q is a digit that is the product of two other distinct digits and q has only one odd factor
q can still be 2, 4 or 8
(1)+(2) is insufficient
Answer is (E)
1 says two other distinct digits. Focus on other. That buys 2 and 4 from your explanation.
We are left with 8.
Hence, C
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