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The difference between the digits of a two-digit number is 4. What is the digit in the unit's place ? I. The difference between the number and the number obtained by interchanging the positions of the digits is 36. II. The sum of the digits of that number is 12. |
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Answer: Option B Explanation: Let the ten's digit be X and unit's digit be Y. I. (10X + Y) - (10Y + X) = 36 <=> X - Y = 4 ------ (ii) II. X + Y = 12 ---- (iii) Thus, (i) and (iii) together give the answer. II alone gives the answer and I alone does not give the answer. Correct answer is (B) |
Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and
- Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
- Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
- Give answer(E) if the data in both Statements I and II together are necessary to answer the question.
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