Data Sufficiency Questions and Answers
Data Sufficiency Questions
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Data Sufficiency includes the questions, which requires to check whether the information or figures offered in the two statements are adequate to provide the answer to the question or not. Such problems comprise two statements, which are labelled as I and II.
Both the statement contains certain data which is required to answer the question. These questions do not require a solution, but these are made to check whether the statements provided are sufficient to answer them. The statement will be deliberated as sufficient if the answer obtained is unique, and if a question is not solved using the statement/statements or the answers obtained are multiple, then the provided statements would be considered as insufficient. Data Sufficiency uses indirect and direct information about various concepts of Mathematics. The answers in the questions are marked as:
- If data in statement I alone is sufficient to acquire the answer, but statement II alone is insufficient.
- If data in statement II alone is sufficient to acquire the answer, but the statement I alone is insufficient
- If data in both the statements together are sufficient to acquire the answer, but neither statement I and II alone is sufficient to answer the question;
- If the data in each statement individually is sufficient to acquire the answer;
- If data given in both the statement I and II are not sufficient to acquire, and more information is needed to answer the question.
- Consider each statement as an individual statement and treat it as an independent statement.
- To solve every question, first, check the statement I and ensure that whether the answer can be acquired from the statement I alone. If a confirmed answer is developed from the first statement, then the answer will be (a) or (d).
- Now, consider the second statement. If statement II is autonomously adequate to provide the answer to the question and statement, I is not adequate to answer, then mark the option (b) or (d) as the answer.
- There is a possibility where both the statements are required to provide the answer to the question, and neither of both the statement alone has the essential information to acquire the answer. In that case, it is required to choose option (c) as the correct answer.
- After looking carefully at statement I, the options such as either A and D or B, C, and E can be eliminated immediately. This tool is very powerful and can be on every question of Data Sufficiency.