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Is x < -1?

Is x < -1?

(1) (x - 5)² > (1 - x)²
(2) (2 - x)² < (4 + x)²

Answer: B
Source: www.gmatprepnow.com

by [email protected]

Mon Jun 27, 2022 10:52 am
Forum: Data Sufficiency
Topic: Is x < -1?
Replies: 0
Views: 47

Re: If a certain coin is flipped, the probability that the coin will land heads is 1/2. If the coin is flipped 5 times,

If a certain coin is flipped, the probability that the coin will land heads is 1/2. If the coin is flipped 5 times, what is the probability that it will land heads up on the first 3 flips and not on the last 2 flips? A. 3/5 B. 1/2 C. 1/5 D. 1/8 E. 1/32 OA E Source: GMAT Prep We want P(heads on 1st ...


Re: If x and y are positive, and 1/x percent of y equals 9y percent

If x and y are positive, and 1/x percent of y equals 9y percent of x, what is the value of x? (A) 1/81 (B) 1/3 (C) 3 (D) 9 (E) 81 Answer: B Source: gmatprepnow.com Important concept: k% = k/100 So we can take our given information and write the following equation: [(1/x)/100](y) = (9y/100)(x) Simpl...


If x and y are positive, and 1/x percent of y equals 9y percent

If x and y are positive, and 1/x percent of y equals 9y percent of x, what is the value of x?

(A) 1/81
(B) 1/3
(C) 3
(D) 9
(E) 81
Answer: B
Source: gmatprepnow.com


Re: Bill rides his bile to work in the morning on a route that is 18 km long. Did Bill take longer than 40 minutes to ge

Bill rides his bile to work in the morning on a route that is 18 km long. Did Bill take longer than 40 minutes to get to work this morning? (1 km = approximately 0.6 miles) (1) Bill's average speed on the trip this morning was greater than 18 miles per hour. (2) Bill's average speed on the trip thi...


Re: Over a four-game stretch, Dennis's bowling score average 240. By what percent would his score have had to have been

Source: Veritas Prep Over a four-game stretch, Dennis's bowling score average 240. By what percent would his score have had to have been higher in order for him to average a perfect game (300)? A. 22% B. 25% C. 20% D. 40% E. 60% The OA is B In other words, an increase from 240 to 300 represents wha...


Re: A case contains \(c\) cartons. Each carton contains \(b\) boxes, and each box contains \(100\) paper clips. How many

Official Guide A case contains \(c\) cartons. Each carton contains \(b\) boxes, and each box contains \(100\) paper clips. How many paper clips are contained in \(2\) cases? A. \(100bc\) B. \(\dfrac{100b}{c}\) C. \(200bc\) D. \(\dfrac{200b}{c}\) E. \(\dfrac{200}{bc}\) OA C Let's solve using the INP...


Is x < -1?

Is x < -1?

(1) (x - 5)² > (1 - x)²
(2) (2 - x)² < (4 + x)²

Answer: B
Source: gmatprepnow.com

by [email protected]

Wed Jun 15, 2022 10:39 am
Forum: Data Sufficiency
Topic: Is x < -1?
Replies: 0
Views: 102

Re: If [x] denotes the least integer greater than or equal to x and [x] = 0, which of the following statements must be t

If [x] denotes the least integer greater than or equal to x and [x] = 0, which of the following statements must be true? A. x = 0 B. 0 <= x < 1 C. 0 < x <= 1 D. -1 <= x < 0 E. -1 < x <= 0 OA E Source: GMAT Prep First, let's take a moment to get a good idea of what this strange notation means. A few...


Re: When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is

When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land on the same side each time? A. 1/8 B. 1/4 C. 1/3 D. 3/8 E. 1/2 OA B Source: GMAT Prep P(3 matching tosses) = P(ANY result on 1st toss AND 2nd toss ma...


Re: A basketball is dropped from a height of 20 feet. If it bounces back up to a height that is exactly half of its prev

A basketball is dropped from a height of 20 feet. If it bounces back up to a height that is exactly half of its previous height, and it stops bouncing after hitting the ground for the fourth time, then how many total feet will the ball have traveled after 3 full bounces. (A) 50 (B) 55 (C) 60 (D) 75...


Re: In how many ways can one divide 12 different chocolate bars into four packs of 3 bars each?

In how many ways can one divide 12 different chocolate bars into four packs of 3 bars each? A) 12!/3!4! B) 12!/(4!)^2 C) 12!/4!(3!)^4 D) 12!/4!(4!)^3 E) 12!/4!(3!4!) OA C Source: Veritas Prep Let the 4 boys be: A, B, C and D Choose 3 chocolate bars for boy A. Since the order in which we can select ...


Re: Anthony and Michael sit on the six member board of directors for company X. If the board is to be split up into 2

Anthony and Michael sit on the six member board of directors for company X. If the board is to be split up into 2 three-person subcommittees, what percent of all the possible subcommittees that include Michael also include Anthony? (A) 20% (B) 30% (C) 40% (D) 50% (E) 60% OA C Source: Manhattan Prep...


Re: In the below addition A, B, C, D, E, F, and G represent the digits 0, 1, 2, 3, 4, 5 and 6. If each variable has a

In the below addition A, B, C, D, E, F, and G represent the digits 0, 1, 2, 3, 4, 5 and 6. If each variable has a different value, and E ≠ 0, then G equals findginsum_figure.png A. 2 B. 3 C. 4 D. 5 E. 6 OA D Source: Magoosh If we add two 2-digit numbers and the sum is a 3-digit number, then the 3-d...


Re: How many positive integers less than 100 are neither multiples of 2 or 3.

How many positive integers less than 100 are neither multiples of 2 or 3. a)30 b)31 c)32 d)33 e)34 OA D Source: GMAT Prep Multiples of 2: 2, 4, 6, ..., 96, 98 98/2 = 49, so there are 49 multiples of 2 Multiples of 3: 3, 6, 9, ..., 99 99/3 = 33, so there are 33 multiples of 3 At this point we have c...