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Aniket229
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Practice Questions Chat 03 Jun 2023, 02:37
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Anki111
What is the value of x? (1) x−2x=1 � − 2 � = 1 (2) xx=1
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The answer is A. Because by (1) x-2x=1 or -x = 1 or x= -1. (1) Sufficient

But with (2) XxX = 1 now X can be -1 or √1 or 1 ... So (2) not sufficient

Answer (A)
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Practice Questions Chat 03 Jun 2023, 02:40
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Aniket229
The answer is A. Because by (1) x-2x=1 or -x = 1 or x= -1. (1) Sufficient But with (2) XxX = 1 now X can be -1 or √1 or 1 ... So (2) not sufficient Answer (A)
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root(1) is just 1... -1 to the power of -1 is not 1, its -1. So its only 1.
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Aniket229
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Ultimately the answer is A right??
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mysterymanrog
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Aniket229
Ultimately the answer is A right??
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No. Statment one states:
x^(-2x)=1. X can be either 1 or -1 in this case, so it is not sufficient for us to determine a value of X
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AG2907
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Any tips on how to increase speed for quant?

I am just able to answer about 22-24 questions with good accuracy
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DrHuber
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AG2907, I told you you need practice and a teacher. You are too weak!!
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gmatophobia
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AG2907
Any tips on how to increase speed for quant?
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AG2907, I believe you’re spending a bit more time per question (and overall) in the first few questions. The key is to make intelligent guesses and move past questions that end up taking way too much time. It’s okay to get some bruises to win the battle :)

Also having a good mastery over basics will help you solve questions quickly. Would recommend that you review the questions that you ended up taking more than 2 mins (even if you get them correct) to find if there is a better way of solving such questions.

Here are a few tips that you may consider going through -

https://blog.targettestprep.com/how-to- ... ant-score/
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As the protest mounted, small skirmishes between students and police that broke out everywhere, flaring up like sudden brush fires on all sides.
A. Skirmishes between students and police that broke
B. Skirmishes between students and police which broke
C. Skirmishes between students and police broke
D. Skirmishes between students and police were breaking
E. Skirmishes between students and police breaking

hi, good morning

Can anyone help please ?
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gmatophobia
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Practice Questions Chat Updated on: 05 Jun 2023, 00:36
Originally posted by gmatophobia on 05 Jun 2023, 00:14.
Last edited by gmatophobia on 05 Jun 2023, 00:36, edited 6 times in total.
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DrHuber
AG2907, I told you you need practice and a teacher. You are too weak!!
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DrHuber, With all due respect - Attempting 22 - 24 questions with good accuracy isn’t a sign of being "too weak". Yes, there is a timing issue that can be worked on. But labeling a person such on a public forum isn’t cool!

gmatophobia
DS Question 1 - June 6 For each landscaping job that takes more than 4 hours, a certain contractor charges a total of r dollars for the first 4 hours plus 0.2*r dollars for each additional hour or fraction of an hour, where r > 100, Did a particular landscaping job take more than 10 hours. (1) The contractor charges a total of $288 for the job. (2) The contractor charges a total of 2.4r dollars for the job. Source: Official Guide | Difficulty: Hard
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B

gmatophobia
PS Question 1 - June 6 9 people, including 3 couples, are to be seated in a row of 9 chairs. What is the probability that only one couple is sitting together A. 1/63 B. 1/6 C. 8/21 D. 61/126 E. 7/9 Source: Others | Difficulty: Hard
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C

DS Question 1 - June 5

If ||x−1|+|x||=|x+3|−x, then what is the value of x ?

(1) |x| is not a prime number

(2) 2x^2 is a prime number

Source: GMAT Club Tests | Difficulty: Hard

PS Question 1 - June 5

A family consisting of one mother, one father, two daughters and a son is taking a road trip in a sedan. The sedan has two front seats and three back seats. If one of the parents must drive and the two daughters refuse to sit next to each other, how many possible seating arrangements are there?

A. 28
B. 32
C. 48
D. 60
E. 120

Source: Manhattan | Difficulty: Hard
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B?

Calculate all possible combinations and subtract from them the combinations which have two daughters seated together
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Aniket229
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Practice Questions Chat Updated on: 05 Jun 2023, 01:25
Originally posted by Aniket229 on 05 Jun 2023, 01:18.
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my answer is 36 :?

The answer is 32... I got it 🙂
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Practice Questions Chat Updated on: 05 Jun 2023, 03:52
Originally posted by mysterymanrog on 05 Jun 2023, 03:48.
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gmatophobia
PS Question 1 - June 5 A family consisting of one mother, one father, two daughters and a son is taking a road trip in a sedan. The sedan has two front seats and three back seats. If one of the parents must drive and the two daughters refuse to sit next to each other, how many possible seating arrangements are there? A. 28 B. 32 C. 48 D. 60 E. 120 Source: Manhattan | Difficulty: Hard
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Great question!
Here is how I reasoned through it:

Driver Seat:
You can only have two options - either Mother or Father.
So, 2C1=2

Now we have to consider two diverigent cases:

gmatophobia
PS Question 1 - June 5 A family consisting of one mother, one father, two daughters and a son is taking a road trip in a sedan. The sedan has two front seats and three back seats. If one of the parents must drive and the two daughters refuse to sit next to each other, how many possible seating arrangements are there? A. 28 B. 32 C. 48 D. 60 E. 120 Source: Manhattan | Difficulty: Hard
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Great question!
Here is how I reasoned through it:

Driver Seat:
You can only have two options - either Mother or Father.
So, 2C1=2

Now we have to consider two divergent cases:

Case 1: One of the two daughter sits in the front seat
If this is the case, there are
2c1 ways for this to occur (2)
And because one of the daughters is already in the front, there no restrictions on the back
So, 3! for the back.
Case one gives us: 2*2*6=24 total cases.

Case 2:
Either the Son or the other parent sits on the front seat
This is gain, 2C1 ways to do it (so 2)
However in the back, we must consider the restrictions.
The total number of ways to do it is 3! (6) like before,
However we must consider the cases where the daughters end up together (2!*2 cases) leaving us with 2 acceptable options in the back seat.
So case 2 gives us a total of 2*2*2, or 8 ways to seat.

24+8=32, which is the total acceptable number of seating arrangements
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mysterymanrog
Great question! Here is how I reasoned through it: Driver Seat: You can only have two options - either Mother or Father. So, 2C1=2 Now we have to consider two divergent cases: Case 1: One of the two daughter sits in the front seat If this is the case, there are 2c1 ways for this to occur (2) And because one of the daughters is already in the front, there no restrictions on the back So, 3! for the back. Case one gives us: 2*2*6=24 total cases. Case 2: Either the Son or the other parent sits on the front seat This is gain, 2C1 ways to do it (so 2) However in the back, we must consider the restrictions. The total number of ways to do it is 3! (6) like before, However we must consider the cases where the daughters end up together (2!*2 cases) leaving us with 2 acceptable options in the back seat. So case 2 gives us a total of 2*2*2, or 8 ways to seat. 24+8=32, which is the total acceptable number of seating arrangements
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how are we getting 4 cases for daughters sitting together ?
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Practice Questions Chat 06 Jun 2023, 04:07
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Akashdixit
Dear GMAT students, As a GMAT 770 scorer with over 6 years of GMAT teaching experience, I understand the challenges that come with preparing for the exam. That’s why I want to offer my help to anyone who needs it. If you’re struggling with any aspect of the GMAT, whether it’s the quantitative or verbal section, I am here to help. You can share your problems with me, and I will do my best to provide you with a video or text solution or offer guidance on how to improve your approach. I’m also happy to answer any questions you might have about the GMAT, including strategies for time management, test-taking tips, or anything else that’s on your mind. My goal is to help you succeed, and I’m passionate about sharing my knowledge and experience with others. Best of all, my such services are completely free. I believe that everyone should have access to the resources they need to achieve their goals, and I’m here to offer my support to anyone who needs it. So if you’re looking for a helping hand on your GMAT journey, don’t hesitate to reach out to me. Together, we can work towards your success! Kindly DM me to connect. Sincerely, Akash Dixit GMAT 770
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Thank U So Much Sir🥺
We look forward in getting ur Valuable Guidance
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gmatophobia
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Practice Questions Chat Updated on: 06 Jun 2023, 04:26
Originally posted by gmatophobia on 06 Jun 2023, 04:25.
Last edited by gmatophobia on 06 Jun 2023, 04:26, edited 1 time in total.
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gmatophobia
DS Question 1 - June 5 If ||x−1|+|x||=|x+3|−x, then what is the value of x ? (1) |x| is not a prime number (2) 2x^2 is a prime number Source: GMAT Club Tests | Difficulty: Hard
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Show SpoilerOA
D

gmatophobia
PS Question 1 - June 5 A family consisting of one mother, one father, two daughters and a son is taking a road trip in a sedan. The sedan has two front seats and three back seats. If one of the parents must drive and the two daughters refuse to sit next to each other, how many possible seating arrangements are there? A. 28 B. 32 C. 48 D. 60 E. 120 Source: Manhattan | Difficulty: Hard
Show more
Show SpoilerOA
B

DS Question 1 - June 06

Is (x^2)*(y^4) an integer divisible by 9 ?

(1) x is an integer divisible by 3
(2) xy is an integer divisible by 9

Source: GMAT Club Tests | Difficulty: Hard

PS Question 1 - June 06

40 skilled employees need 60 days to complete a project while working 8 hours a day. They begin working as per schedule but one month into the project, 30 employees need to shift to a different project. These 30 employees are replaced by 40 new employees who are 50% less productive. By approximately how many days will the project be delayed if the new team decides to work 10 hours a day?

A. No delay
B. 2 days
C. 5 days
D. 10 days
E. More than 10 days

Source: Expert’s Global | Difficulty: Hard
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Practice Questions Chat 06 Jun 2023, 09:03
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Akashdixit
Dear GMAT students, As a GMAT 770 scorer with over 6 years of GMAT teaching experience, I understand the challenges that come with preparing for the exam. That’s why I want to offer my help to anyone who needs it. If you’re struggling with any aspect of the GMAT, whether it’s the quantitative or verbal section, I am here to help. You can share your problems with me, and I will do my best to provide you with a video or text solution or offer guidance on how to improve your approach. I’m also happy to answer any questions you might have about the GMAT, including strategies for time management, test-taking tips, or anything else that’s on your mind. My goal is to help you succeed, and I’m passionate about sharing my knowledge and experience with others. Best of all, my such services are completely free. I believe that everyone should have access to the resources they need to achieve their goals, and I’m here to offer my support to anyone who needs it. So if you’re looking for a helping hand on your GMAT journey, don’t hesitate to reach out to me. Together, we can work towards your success! Kindly DM me to connect. Sincerely, Akash Dixit GMAT 770
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Hi Aakash can you help. Kindly dm on 7842214783
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deenapujari
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Practice Questions Chat Updated on: 06 Jun 2023, 23:48
Originally posted by deenapujari on 06 Jun 2023, 23:47.
Last edited by deenapujari on 06 Jun 2023, 23:48, edited 1 time in total.
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If the original mass of an element, in grams, is a whole number and the element has decayed by exactly 94 percent in some time period, which of the following could be the final mass of that element?

(A) 27 grams
(8) 28 grams
(C) 29 grams
(D) 31 grams
(E) 32 grams

Can someone please help me with this.
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deenapujari
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Yes! Can you please explain the solution
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divyadna
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X-0.94X= k
(6/100)X= k
X= 50k/3
If X has to be a whole number, k has to be a multiple of 3 since 50 isn’t a multiple of 3. The only choice which is a multiple of 3 is option A. 27
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Practice Questions Chat Updated on: 07 Jun 2023, 04:59
Originally posted by Anki111 on 07 Jun 2023, 04:58.
Last edited by Anki111 on 07 Jun 2023, 04:59, edited 1 time in total.
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If x^2 + 10y^2 - 6xy 2y + 1 = 0, what is the value of x?

* If x^2 + 10y^2 - 6xy- 2y + 1 = 0, what is the value of x?
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