GMAT Multi-Source Reasoning Practice Test
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Question Set 1a


Electronics Board designing Company has the policy that if for two successive months the production efficiency of Product Manager is less than 80% (The efficiency corresponds to faults other than machinery faults) then the Product Manufacturing Manager is fired. In the month of June, the Product Manufacturing Manager had the production efficiency of 78% (lot of boards were wasted). In the month of July there was a problem in the manufacturing machine.

Consider the following statement.  Does the information presented in the three tabs support the inference as stated?

The total probability of wasted boards in July was 0.3.

GMAT Test Information

The Graduate Management Admission Test (GMAT) is a standardized admission test used primarily by business schools as a factor in the admissions process for MBA programs.  Many business schools use GMAT scores as an admission criteria for various graduate management programs, including: MBA, Master of Finance, and Master of Accountancy.  Although many programs now accept a GRE score, the GMAT continues to be the prevalent standardized admissions test used by top business schools.

The current format of the GMAT contains four separately administered sections:

Analytical Writing - 30 minute time limit.

Integrated Reasoning - Contains 12 questions with a 30 minute time limit.

Quantitative - Contains 37 questions with a 75 minute time limit.

Verbal - Contains 41 questions with a 75 minute time limit.

GMAT scores range from 200 to 800.  Scores are given in 10 point increments with recent average scores of 540.  Most business schools place increasing emphasis on the combined verbal and quantitative score because this score gets reported in their class profiles of the students that were admitted into their business programs.


Some questions are from the following sources:

Erik Jacobsen at

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