Data Sufficiency · Question 28 · Hard
Data Sufficiency question 28
Each question has two statements. Decide whether the data in the statements is sufficient to answer the question.
Question: What is the two-digit number?
I. The product of its digits is 24.
II. The number is 18 more than the number formed by reversing its digits.
- Statement I alone is sufficient
- Statement II alone is sufficient
- Both statements together are needed
- Both statements together are not sufficient
Answer and explanation
Answer: C. Both statements together are needed
Explanation: I allows 38, 46, 64 and 83. II means the tens digit is 2 more than the units digit (31, 42, 53, ...). Together only 64 fits, so both statements are needed.
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