Data Sufficiency

Question 1

What are the 5 answers to a Data Sufficiency question?

Answer 1

A) Statement 1 ALONE is sufficient, statement 2 is NOT

B) Statement 2 ALONE is sufficient, statement 1 is NOT

C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient

D) EACH statement ALONE is sufficient

E) Statements 1 and 2 TOGETHER are NOT sufficient

Question 2

DS Principle #1

Answer 2

If a DS question asks for the relative value of 2 pieces of a ratio, ANY statement that gives the relative value of ANY of the 2 pieces of the ratio will be sufficient

Question 3

What is a concrete value vs. a relative value?

Answer 3

A concrete value is an actual amount (ex: # of tickets sold) –> DS problems asking for concrete values require MORE info

A number expressed as the relationship between two quantities using fractions, decimals, percents, or ratios (ex: twice as many, 60% of)