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Re: What is the greatest common divisor of positive integers \(m\) and \(n?\)

What is the greatest common divisor of positive integers \(m\) and \(n?\) (1) \(m\) is a prime number (2) \(2n = 7m\) Answer: C Source: GMAT Prep Target question : What is the GCD of m and n? Statement 1 : m is a prime number If m is a prime number, it has exactly 2 divisors (1 and m), so this tell...


Re: There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the

There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold 9 times as many paperback copies as hardback copies were sold. If a total of 441,000 copies of the novel were ...


Re: The wholesale cost of a certain coat was $90, but when 15 of the coats were purchased by a retailer, the cost was...

GMAT Prep The wholesale cost of a certain coat was $90, but when 15 of the coats were purchased by a retailer, the cost was reduced so that the total cost of the coats was $1,200. By how much was the wholesale cost of each coat reduced? A. $6 B. $10 C. $20 D. $80 E. $150 OA B ORIGINAL cost per coat...


Re: If 3x + 2y = 7 and 2x – y = 7, what is the value of x ?

If 3x + 2y = 7 and 2x – y = 7, what is the value of x ? A. 0 B. 1 C. 7/5 D. 21/11 E. 3 OA E Source: GMAT Prep Let's use the elimination method to solve this system Given: 3x + 2y = 7 2x – y = 7 Multiply both sides of the bottom equation by 2 to get the following equivalent equation: 3x + 2y = 7 4x ...


Re: Will the first 10 volumes of a 20-volume encyclopedia fit upright in the bookrack shown above?

Source: GMAT Prep Bookrack.PNG Will the first 10 volumes of a 20-volume encyclopedia fit upright in the bookrack shown above? 1) x = 50 centimeters 2) Twelve of the volumes have an average (arithmetic mean) thickness of 5 centimeters The OA is E Target question : Will the first 10 volumes of a 20-v...


Re: Last month a phone company charged $ 0.07 per minute for the first 300 minutes of calling time and $0.05 per minute

Last month a phone company charged $ 0.07 per minute for the first 300 minutes of calling time and $0.05 per minute for each minute of calling time in excess of the first 300 minutes. For how many minutes of calling time was Bob charged by the phone company last month? 1) Last month the phone compa...


Re: In the \(xy\)-plane, line \(k\) passes through the point \((1, 1)\) and line \(m\) passes through the point \((1, -1

In the \(xy\)-plane, line \(k\) passes through the point \((1, 1)\) and line \(m\) passes through the point \((1, -1).\) Are the lines \(k\) and \(m\) perpendicular to each other? (1) Lines \(k\) and \(m\) intersect at the point \((1, -1).\) (2) Line \(k\) intersects the \(x\)-axis at the point \((...


Re: If \(n\) and \(p\) are integers, is \(p > 0?\)

If \(n\) and \(p\) are integers, is \(p > 0?\) (1) \(n + 1 > 0\) (2) \(np > 0\) Answer: C Source: GMAT Prep Given : n and p are integers Target question : Is p > 0? Statement 1 : n + 1 > 0 No information about p. Statement 1 is NOT SUFFICIENT Statement 2 : np > 0 There are several values of n and p...

by [email protected]

Thu Apr 01, 2021 8:52 am
Forum: Data Sufficiency
Topic: If \(n\) and \(p\) are integers, is \(p > 0?\)
Replies: 1
Views: 40

Re: A certain high school offers two foreign languages, Spanish and French. 10% of students do not take a foreign langua

A certain high school offers two foreign languages, Spanish and French. 10% of students do not take a foreign language class, and 70% of students take exactly one foreign language class. If half of all students are in a French class and 50 students take classes in both languages, how many students ...


Re: Ginger over the course of an average work-week wanted to see how much she spent on lunch daily. On Monday and Thursd

Ginger over the course of an average work-week wanted to see how much she spent on lunch daily. On Monday and Thursday, she spent $5.43 total. On Tuesday and Wednesday, she spent $3.54 on each day. On Friday, she spent $7.89 on lunch. What was her average daily cost? a. $3.19 b. $3.75 c. $3.90 d. $...


Re: George bought a large electronic item with a 15% off coupon, and paid a total bill. When he got outside, he studied.

Magoosh George bought a large electronic item with a 15% off coupon, and paid a total bill. When he got outside, he studied the receipt and realize that he mistakenly had been given double the discount of the coupon, even though there was no double-coupon offer in effect that day. He went back insi...


Re: A certain office supply store stocks 2 sizes of self-stick notepads, each in 4 colors: Blue, Green, Yellow Or Pink.

A certain office supply store stocks 2 sizes of self-stick notepads, each in 4 colors: Blue, Green, Yellow Or Pink. The store packs the notepads in pacakages that contain either 3 notepads of the same size and the same color or 3 notepads of the same size and of 3 different colors. If the order in ...


Re: If a rectangular region has perimeter \(P\) inches and area \(A\) square inches, is the region square?

If a rectangular region has perimeter \(P\) inches and area \(A\) square inches, is the region square? (1) \(P = \dfrac43 A\) (2) \(P = 4\sqrt{A}\) Answer: B Source: GMAT Prep Given : A rectangular region has perimeter P inches and area A square inches Target question : Is the region square? This i...


Re: On the map above, 2 inches represents 3 miles. If the roads from O to P, from O to Q, and from P to Q are relatively

GMAT Prep 1 (1).png On the map above, 2 inches represents 3 miles. If the roads from O to P, from O to Q, and from P to Q are relatively flat and straight, approximately how many miles is it from P to Q? A. 3 B. 9/2 C. 5 D. 6 E. 15/2 OA B APPROACH #1 : Apply Pythagorean theorem Let x = the length o...


Re: Operating at the same constant rate, 4 identical machines can produce a total of 220 candles per minute...

Source: Magoosh Operating at the same constant rate, 4 identical machines can produce a total of 220 candles per minute. At this rate, how many candles could 10 machines produce in 5 minutes? A. 512 B. 2,200 C. 2,750 D. 11,000 E. 44,000 The OA is C One approach is to take the given information and ...