The data sufficiency question follows a universal trend. All of these questions give tow statements and the answer is based on the same. The data sufficiency questions do not need much calculations and you can deduce the answers with a little common sense and by having an open mind.

The approach that one has to keep for a data sufficiency question is very basic. A lot of practice will definitely make you more confident. Before attempting the question, you have to read the question ample number of times and go one statement at a time. It is very easy to catch the wrong hint for a data sufficiency question, therefore, the attempt should be to prove the statements wrong, because, if you try to support the statement, both of them will always look correct. Hence it’s a tempting trap that the examiners have set for you. Do not be lured into it, for it will drown you like quicksand and the answer you merrily tick as right could most of the times be wrong.

Each Question in the Data Sufficiency section has 10 questions and it should not take you more than 12 minutes to solve it.

A sample Data Sufficiency question will look like this.

Decide whether these statements are sufficient to answer the given questions.

STATEMENT A- Statement 1 is alone sufficient to solve the answer, but statement 2 is not.

STATEMENT B- Statement 2 is alone sufficient to solve the answer, but statement 1 is not.

STATEMENT C- Statements 1 and 2 are together sufficient to answer the question, but neither of the statements alone.

STATEMENT D- statement 1 is alone sufficient to answer the question and even statement 2 is alone sufficient to answer the question.

STATEMENT E- The question cannot be answered using any or both of the two statements together.

Q) James owns 100 shares of stock A and 150 shares of stock B. what is the total value of his stock?

STATEMENT 1- Value of each share of stock of A is twice the value of each stock of B.

STATEMENT 2- Total value of 4 shares of stock A and ^ shares of stock B is $750.

By looking at statement 1, we cannot end at any conclusion. Since only 2A=B can be found out.

From Statement B, however, we can say that 4A+6B=$750

By multiplying both sides by 25, we can find the answer.

100A+150B=$18750.

Therefore, the answer is STAMTEMENT B, which says that the question can be answered by using by using statement 2 alone, but not by using statement 1 alone.