Data Sufficiency 101

Question 1

How is a statement sufficient for a Value Data Sufficiency problem?

Answer 1

A statement is sufficient is it provides exactly one possible value

Question 2

How is a statement insufficient for a Value Data Sufficiency problem?

Answer 2

A statement is insufficient if it provides more than one possible value

Question 3

How is a statement sufficient for a Yes/No Data Sufficiency problem?

Answer 3

A statement is sufficient when the answer is Always Yes or Always No

Question 4

How is a statement insufficient for a Yes/No Data Sufficiency problem?

Answer 4

A statement is Not Sufficient when the answer is Sometimes yes or Sometimes No