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Quant Question of the Day Chat

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vvkgrg
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   02 Sep 2023, 11:52
singhall
this was A?
In my opinion it’s c
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singhall
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   02 Sep 2023, 11:52
vvkgrg
In my opinion it’s c
Can you please explain, why you rejected A?

y<x<z and xyz<0 means ++- or --- is the only possibility . st 1 says yz>0 that means both same sign, both can’t be ++ so both are --, which means x is also -. xy both (-)ve makes the product greater than 0.

My take on A.
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vvkgrg
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   02 Sep 2023, 13:06
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singhall
y<x<z and xyz<0 means ++- or --- is the only possibility . st 1 says yz>0 that means both same sign, both can’t be ++ so both are --, which means x is also -. xy both (-)ve makes the product greater than 0. My take on A.
You are right, i misjudged problem
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divansh007
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   02 Sep 2023, 13:10
hello everyone , i am on my free trial of gmat quiz for 7 days but i could not able to select sources of question as it is not showing . please help me on this issue
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bb
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   02 Sep 2023, 13:13
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divansh007
hello everyone , i am on my free trial of gmat quiz for 7 days but i could not able to select sources of question as it is not showing . please help me on this issue
There are no sources. I suggest you cancel your free trial.
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divansh007
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   02 Sep 2023, 13:18
bb
There are no sources. I suggest you cancel your free trial.
So there will be no section for selecting sources of questions on free trial . So I have to buy it for that ?
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bb
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   02 Sep 2023, 13:21
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divansh007
So there will be no section for selecting sources of questions on free trial . So I have to buy it for that ?
No. It doesn’t matter. No sources.
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Shihas_rahman_
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   03 Sep 2023, 01:27
what are best books for gmat quants
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GobaChatro
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   03 Sep 2023, 01:36
Shihas_rahman_
what are best books for gmat quants
Manhattan, GMAt Club Math e-book
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   03 Sep 2023, 05:11
Guys, cluld you pls let me know what is the next step i need to do in my preparation , I have completed Manhattan prep books ( Q&V both),

Where can I access gppd quality questions that are timed
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   03 Sep 2023, 05:13
Have you started the GMAT official guide?

Also when are you planning to give the exam?
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gmatophobia
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   03 Sep 2023, 22:58
PS Question 1 - Sep 04

If x < y and y < 10, what is the greatest possible integer value of x + y?

A. 16
B. 17
C. 18
D. 19
E. 20

Source: Veritas Prep | Difficulty: Medium

DS Question 1 - Sep 04

For any integers a and b, min(a, b) and max(a, b) denote the minimum and maximum of a and b, respectively. For example, min(1, 2) = 1 and max(1, 2) = 2. For the integer x, what is the value of max (x, 8)?

(1) max(x^2, x) = 16

(2) min(9, x) = x

Source: Veritas Prep | Difficulty: Hard
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   03 Sep 2023, 23:21
gmatophobia
DS Question 1 - Sep 04 For any integers a and b, min(a, b) and max(a, b) denote the minimum and maximum of a and b, respectively. For example, min(1, 2) = 1 and max(1, 2) = 2. For the integer x, what is the value of max (x, 8)? (1) max(x^2, x) = 16 (2) min(9, x) = x Source: Veritas Prep | Difficulty: Hard
1) Two possibilites. x=-4 or x=4, each give the same result - max (-4,8) and max(4,8) are both 8. Suff.

2) x is any integer less than or equal to 9. If x=9, max(9,8)=9 but if say x=4 max(4,8)=4 Ins.

A.

mysterymanrog
1) Two possibilites. x=-4 or x=4, each give the same result - max (-4,8) and max(4,8) are both 8. Suff. 2) x is any integer less than or equal to 9. If x=9, max(9,8)=9 but if say x=4 max(4,8)=4 Ins. A.
Did this on the way to work.. hopefully its right 😂
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Vivek903
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   04 Sep 2023, 00:20
gmatophobia
DS Question 1 - Sep 04 For any integers a and b, min(a, b) and max(a, b) denote the minimum and maximum of a and b, respectively. For example, min(1, 2) = 1 and max(1, 2) = 2. For the integer x, what is the value of max (x, 8)? (1) max(x^2, x) = 16 (2) min(9, x) = x Source: Veritas Prep | Difficulty: Hard
From 1. x = -4 or x = +4 either case max(x,8) = 8 so A is sufficient
From 2. x < 9 since min is x and not 9, if min was 9 then x would have been either = 9 or greater than 9 making the min value 9
Now since x < 9 which means x =< 8, giving the max value for (x,8) as 8

I would select D - both are individually sufficient.
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Vivek903
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   04 Sep 2023, 00:23
gmatophobia
PS Question 1 - Sep 04 If x < y and y < 10, what is the greatest possible integer value of x + y? A. 16 B. 17 C. 18 D. 19 E. 20 Source: Veritas Prep | Difficulty: Medium
greatest possible value for x+y will come when we have the greatest value for x and y withing the given rules.

hence for y greatest value can be 9 since y < 10
And with 9 = y, greatest value for x can be 8 since x < y

Hence x + y = 8+9 = 17.

I would select "B"
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jmitesh69
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   04 Sep 2023, 00:34
Vivek903
greatest possible value for x+y will come when we have the greatest value for x and y withing the given rules. hence for y greatest value can be 9 since y < 10 And with 9 = y, greatest value for x can be 8 since x < y Hence x + y = 8+9 = 17. I would select "B"
It only mentions greatest integer value of x + y
Y < 10, can be 9.6 and x < y can be 9.4, which makes it 19.
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   04 Sep 2023, 03:14
gmatophobia
PS Question 1 - Sep 04 If x < y and y < 10, what is the greatest possible integer value of x + y? A. 16 B. 17 C. 18 D. 19 E. 20 Source: Veritas Prep | Difficulty: Medium
A

Priyankajaismali
A
SORRY, B

gmatophobia
PS Question 1 - Sep 04 If x < y and y < 10, what is the greatest possible integer value of x + y? A. 16 B. 17 C. 18 D. 19 E. 20 Source: Veritas Prep | Difficulty: Medium
D as we need interger of x+y not integer for variable x and y, therefore , the max possible value of x=9.4 and y=9.6, 19

jmitesh69
D 19?
A
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Zaidris
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   04 Sep 2023, 04:14
gmatophobia
PS Question 1 - Sep 04 If x < y and y < 10, what is the greatest possible integer value of x + y? A. 16 B. 17 C. 18 D. 19 E. 20 Source: Veritas Prep | Difficulty: Medium
D

Even if you assume x = 9.99, y = 9.98 => x + y = 19.97 => integer value of 19.
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   04 Sep 2023, 04:36
gmatophobia
DS Question 1 - Sep 04 For any integers a and b, min(a, b) and max(a, b) denote the minimum and maximum of a and b, respectively. For example, min(1, 2) = 1 and max(1, 2) = 2. For the integer x, what is the value of max (x, 8)? (1) max(x^2, x) = 16 (2) min(9, x) = x Source: Veritas Prep | Difficulty: Hard
D

mysterymanrog
1) Two possibilites. x=-4 or x=4, each give the same result - max (-4,8) and max(4,8) are both 8. Suff. 2) x is any integer less than or equal to 9. If x=9, max(9,8)=9 but if say x=4 max(4,8)=4 Ins. A.
Right...missed the point that min(9,x) = x => x may be equal to 9
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Re: Quant Question of the Day Chat [#permalink] Quant Question of the Day Chat   04 Sep 2023, 08:24
Q machine a working alone can build an engine in 8 hours. Machine B or C working alone can build the same engine in 4 hours. If all 3 work together, what percent of work will A complete? Options - 11% , 14%, 18%, 20% 25%

Any easy approaches to solve such questions
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Re: Quant Question of the Day Chat [#permalink]
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