Intro to Quant

Question 1

DS answer choices

Answer 1

Answer A: Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question

Answer B: Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question

Answer C: BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.

Answer D: EACH statement ALONE is sufficient to answer the question asked.

Answer E: Statements (1) and (2) TOGETHER are NOT sufficient to answer the question, and additional data specific to the problem are needed.

Question 2

True/False: If a statement allows us to conclusively answer yes or conclusively answer no, that statement is sufficient to answer the question

Answer 2

True

Question 3

If (1) is sufficient…

Answer 3

Eliminate B, C, E

Question 4

If (1) is NOT sufficient

Answer 4

Eliminate A, D

Question 5

Restating value questions as yes/no questions

Answer 5

It’s important to not restate value questions as yes/no questions, and its important to not restate yes/no questions as value questions

Question 6

Recording information

Answer 6

Be sure to record all of the information given in the stem and use it to your advantage

Question 7

Rephrasing

Answer 7

Attempt to rephrase and simplify information given in the stem and statements and use it to your advantage

Question 8

Triangulating

Answer 8

Any time neither statement (1) ALONE nor statement (2) ALONE is sufficient to answer the question, but there is a single (unique) value shared between both statements, then both statements together are sufficient to answer the question

Question 9

Evaluating statements (Black Swan Trap)

Answer 9

When using strategic numbers to evaluate statements, consider testing positive integers, positive proper fractions, zero, negative proper factions and negative integers. Be systematic

Question 10

Contradiction

Answer 10

The two statements in a data sufficiency question will never contradict each other

Question 11

Answer A

Answer 11

Answer A: Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question

Question 12

Answer B

Answer 12

Answer B: Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question

Question 13

Answer C

Answer 13

Answer C: BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.

Question 14

Answer D

Answer 14

Answer D: EACH statement ALONE is sufficient to answer the question asked.

Question 15

Answer E

Answer 15

Answer E: Statements (1) and (2) TOGETHER are NOT sufficient to answer the question, and additional data specific to the problem are needed.