GMAT · Quantitativeaptitude · Data Sufficiency — T/F

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   DS Statement (1) alone is sufficient if it gives a unique answer.

2. Statement is true

   Yes

   Statement

   If both (1) and (2) are independently sufficient, the answer is D.

3. Statement is true

   Yes

   Statement

   If neither alone is sufficient but together they are, the answer is C.

4. Statement is true

   Yes

   Statement

   DS answer E means 'cannot be determined even together'.

5. Statement is true

   No

   Statement

   In DS you must actually calculate the value to answer.

6. Statement is true

   Yes

   Statement

   DS questions test whether you have enough information, not the number itself.

Instructions

Decide each Data Sufficiency rule.