Quant 2nd Edition DS Questions 1-10

For OG 12th Edition guide, click here

Question 1 –“What is the average…”

OG Explanation is fine.

Question 2 – “What is the value…”

OG Explanation is fine.

Question 3 – “If n is an integer…”

OG Explanation is fine.   “then n is divisible by how many positive integers” is the same as “how many factors does n have”

Statement 1:  As per the OG explanation, there can only be 4 factors: 1 p, q, pq.   SUFFICIENT

Statement 2:    23 has 4 factors: 1, 2, 4, and 8.   Integer n has the same number of factors.  SUFFICIENT

The correct answer is D: Each Statement Alone is Sufficient.

Question 4 – “If l and w represent the…”

OG Explanation is decent.

Question 5 – “A retailer purchased….”

OG Explanation is too short.

Statement 1:    We know nothing about y.    INSUFFICIENT

Statement 2:     We don’t know anything about the dollar value.    Nor do we know the value of x and y.   If x=50, y=45 or x=10 and y=5.   INSUFFICIENT

Combining both statements, x=15 and y=10.   We still don’t know anything about the price.   The list price could be $100 (in which case the TV was bought for $85 and sold for $90) or the list price could be $200 (bought for $170 and sold for $180) or any other number for that matter.

The correct answer is E: Both statements together are still not sufficient.

Question 6 – “If Ann…”

OG Explanation is fine.

Question 7 – “A certain dealership…”

OG Explanation is fine.

Question 8 – “Committee member W…”

OG Explanation is fine.

Question 9 – “Some computers…”

OG Explanation is fine.

Question 10 – “Of the 230….”

OG Explanation is fine.


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