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Practice Questions Chat 10 Jun 2023, 08:08
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Correct answer is option b)

Half filled=32π
Full filled 72π
Half h =4
H=8
This gives r=3
And when placed horizontally water will be at 3 feet
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Practice Questions Chat 11 Jun 2023, 22:39
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Join us for a 24-hour GMAT practice quiz today (June 12) at 10:30am ET / 8pm IST. redirect.php?id=nyx5ik9p6q
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Practice Questions Chat Updated on: 12 Jun 2023, 00:43
Originally posted by gmatophobia on 12 Jun 2023, 00:40.
Last edited by gmatophobia on 12 Jun 2023, 00:43, edited 1 time in total.
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gmatophobia
DS Question 1 - June 10 Two positive integers a and b are divisible by 5, which is their largest common factor. What is the value of a and b? (1) The lowest number that has both integers a and b as its factors is the product of one of the integers and the greatest common divisor of the two integers. (2) The smaller integer is divisible by 4 numbers and has the smallest odd prime number as its factor. Source: eGMAT | Difficulty: Hard
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E

gmatophobia
PS Question 1 - June 10 A closed cylindrical tank contains 36π cubic feet of water and is filled to half its capacity. When the tank is placed upright on its circular base on level ground, the height of the water in the tank is 4 feet. When the tank is placed on its side on level ground, what is the height, in feet, of the surface of the water above the ground? (A) 2 (B) 3 (C) 4 (D) 6 (E) 9 Source: Official Guide | Difficulty: Medium
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B

DS Question 1 - June 12

If a, b, and c are positive distinct integers, is (a/b)/c an integer?

(1) c = 2
(2) a = b+c

Source: GMAT Club Tests | Difficulty: Hard

PS Question 1 - June 12

A couple decides to have 4 children. If they succeed in having 4 children and each child is equally likely to be a boy or a girl, what is the probability that they will have exactly 2 girls and 2 boys?

(A) 3/8
(B) 1/4
(C) 3/16
(D) 1/8
(E) 1/16

Source: Official Guide | Difficulty: Hard
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Practice Questions Chat Updated on: 12 Jun 2023, 01:40
Originally posted by sumit99kr on 12 Jun 2023, 01:35.
Last edited by sumit99kr on 12 Jun 2023, 01:40, edited 1 time in total.
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gmatophobia
PS Question 1 - June 12 A couple decides to have 4 children. If they succeed in having 4 children and each child is equally likely to be a boy or a girl, what is the probability that they will have exactly 2 girls and 2 boys? (A) 3/8 (B) 1/4 (C) 3/16 (D) 1/8 (E) 1/16 Source: Official Guide | Difficulty: Hard
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(4! /(2! 2!)) /(2^4) = 3/8
Option A

gmatophobia
PS Question 1 - June 12 A couple decides to have 4 children. If they succeed in having 4 children and each child is equally likely to be a boy or a girl, what is the probability that they will have exactly 2 girls and 2 boys? (A) 3/8 (B) 1/4 (C) 3/16 (D) 1/8 (E) 1/16 Source: Official Guide | Difficulty: Hard
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Those who are having difficulty in understanding the above question -this question is analogous to "A fair coin is tossed 4 times, What is the probability of getting exactly 2 Heads ?"
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Practice Questions Chat Updated on: 12 Jun 2023, 01:45
Originally posted by Aniket229 on 12 Jun 2023, 01:41.
Last edited by Aniket229 on 12 Jun 2023, 01:45, edited 1 time in total.
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B) 1/4

sorry its A) 3/8
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Practice Questions Chat 12 Jun 2023, 09:00
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PS Question 2 - June 12

Ms. Barton has four children. You are told correctly that she has at least two girls but you are not told which two of her four children are those girls. What is the probability that she also has two boys? (Assume that the probability of having a boy is the same as the probability of having a girl.)

(A) 1/4
(B) 3/8
(C) 5/11
(D) 1/2
(E) 6/11

Source: Manhattan | Difficulty: Hard

** Extension to PS Question 1 - June 12
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Practice Questions Chat 12 Jun 2023, 09:46
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Quick Announcement/Promo for MBA Spotlight Fair - If you are looking for free Access to GMAT Club Tests or Quiz, you can join the MBA Spotlight fair sessions. There will be free GMAT CLub Tests Classic for 3 months and 1-month Forum Quiz subscriptions given out. 5 of each in every session across 50 School AdCom sessions. It starts tomorrow and you should get access within 24 -48 hrs 😇 You can learn more about other goodness here: app-fee-waivers-prizes-you-can-win-at-mba-spotlight-june-413343.html
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Practice Questions Chat 12 Jun 2023, 11:43
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At Branchwood Middle School, there are 4 sixth graders for every 5 seventh graders and 6 seventh graders for every 5 eighth graders. How many sixth graders are there?

1. The ratio of sixth graders to eighth graders is 24:25

2. There are 75 eighth graders at the middle school.
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Practice Questions Chat 12 Jun 2023, 12:41
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deenapujari
At Branchwood Middle School, there are 4 sixth graders for every 5 seventh graders and 6 seventh graders for every 5 eighth graders. How many sixth graders are there? 1. The ratio of sixth graders to eighth graders is 24:25 2. There are 75 eighth graders at the middle school.
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B

Statement 1 is merely a repeat of the information share in the premise. Hence Not sufficient.

Statement 2

From the premise we can infer that

Ratio of 6th graders : 7th graders : 8th graders :: 24:30:25

25x = 75
x = 3

24x = 72
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Practice Questions Chat 12 Jun 2023, 17:59
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Join 24-Hour GMAT Quiz on YouTube - Solve Challenging GMAT Questions with Peers in Timed Conditions redirect.php?id=nrv6ixql2g
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Practice Questions Chat 12 Jun 2023, 19:16
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How to get better at log?
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Practice Questions Chat 12 Jun 2023, 21:26
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If a is a decimal, what is the unit digit of 10a?

(A) When a is rounded to the unit’s place, the result is 3.

(B) When a is rounded to the tenths place, the result is 3.5
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Practice Questions Chat Updated on: 12 Jun 2023, 22:50
Originally posted by deenapujari on 12 Jun 2023, 22:49.
Last edited by deenapujari on 12 Jun 2023, 22:50, edited 1 time in total.
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If a is a decimal, what is the unit digit of 10a? (A) When a is rounded to the unit’s place, the result is 3. (B) When a is rounded to the tenths place, the result is 3.5
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C?

Hey all! Can we expect logarithm questions for the test?
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Practice Questions Chat 12 Jun 2023, 22:57
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No, its out of scope
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Practice Questions Chat 13 Jun 2023, 00:46
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Adithi_101
If a is a decimal, what is the unit digit of 10a? (A) When a is rounded to the unit’s place, the result is 3. (B) When a is rounded to the tenths place, the result is 3.5
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A) a=c.xyz
If rounding gives us the result 3.
There are two possible cases:
c=2, and x>=5
OR
c=3, x<4
Consider the first case: if a=2.7, then 10a has the unitis digit 7
If instead, it were a=3.4 the digit is 4. Clearly insf.

2)
This tells us: a=3.xyz
Rounding up from the tenths digit. we get 3.5.
This means that either, x=4 and y>=5, or x=5 and y<5.
Two cases again. so insf.

3)
Putting the two together, there is only one possible the case. It must be that x=4, as rounding up from the units digit gives us 3, which means that we rounded down. 10a is therefore 34.yx, with units figit of 4.

Sufficient.
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Practice Questions Chat Updated on: 14 Jun 2023, 04:05
Originally posted by gmatophobia on 14 Jun 2023, 04:01.
Last edited by gmatophobia on 14 Jun 2023, 04:05, edited 3 times in total.
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gmatophobia
DS Question 1 - June 12 If a, b, and c are positive distinct integers, is (a/b)/c an integer? (1) c = 2 (2) a = b+c Source: GMAT Club Tests | Difficulty: Hard
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B

gmatophobia
PS Question 1 - June 12 A couple decides to have 4 children. If they succeed in having 4 children and each child is equally likely to be a boy or a girl, what is the probability that they will have exactly 2 girls and 2 boys? (A) 3/8 (B) 1/4 (C) 3/16 (D) 1/8 (E) 1/16 Source: Official Guide | Difficulty: Hard
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A

gmatophobia
PS Question 2 - June 12 Ms. Barton has four children. You are told correctly that she has at least two girls but you are not told which two of her four children are those girls. What is the probability that she also has two boys? (Assume that the probability of having a boy is the same as the probability of having a girl.) (A) 1/4 (B) 3/8 (C) 5/11 (D) 1/2 (E) 6/11 Source: Manhattan | Difficulty: Hard ** Extension to PS Question 1 - June 12
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E

DS Question 1 - June 14

If [x] denotes the greatest integer less than or equal to x for any number x, is [a]+=1?

(1) ab=2

(2) 0 < a < b < 2

Source: GMAT Club Tests | Difficulty: Hard

[b]PS Question 1 - June 14

A cyclist travels the length of a bike path that is 225 miles long, rounded to the nearest mile. If the trip took him 5 hrs, rounded to the nearest hour, then his average speed must be between:

A. 38 and 50 mph
B. 40 and 50 mph
C. 40 and 51 mph
D. 41 and 50 mph
E. 41 and 51 mph

Source: Manhattan | Difficulty: Hard
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Practice Questions Chat Updated on: 14 Jun 2023, 04:18
Originally posted by VKG007 on 14 Jun 2023, 04:15.
Last edited by VKG007 on 14 Jun 2023, 04:18, edited 1 time in total.
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gmatophobia
DS Question 1 - June 14 If [x] denotes the greatest integer less than or equal to x for any number x, is [a]+=1? (1) ab=2 (2) 0 < a < b < 2 Source: GMAT Club Tests | Difficulty: Hard
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C

1. A and B can be any numbers. A can be 100 and B can be 0.02 so won’t solve alone

2. A and B both can be 0.5 or both can be 1.5 so won’t solve alone.

Take Both 1 and 2 together - Both numbers have to be 1<a,b<2 so that the product is 2.

gmatophobia
[b]PS Question 1 - June 14 A cyclist travels the length of a bike path that is 225 miles long, rounded to the nearest mile. If the trip took him 5 hrs, rounded to the nearest hour, then his average speed must be between: A. 38 and 50 mph B. 40 and 50 mph C. 40 and 51 mph D. 41 and 50 mph E. 41 and 51 mph Source: Manhattan | Difficulty: Hard
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D
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Practice Questions Chat Updated on: 15 Jun 2023, 00:01
Originally posted by sg_mba on 14 Jun 2023, 23:49.
Last edited by sg_mba on 15 Jun 2023, 00:01, edited 3 times in total.
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gmatophobia
PS Question 1 - June 14 A cyclist travels the length of a bike path that is 225 miles long, rounded to the nearest mile. If the trip took him 5 hrs, rounded to the nearest hour, then his average speed must be between: A. 38 and 50 mph B. 40 and 50 mph C. 40 and 51 mph D. 41 and 50 mph E. 41 and 51 mph Source: Manhattan | Difficulty: Hard
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Solution?

gmatophobia
DS Question 1 - June 14 If [x] denotes the greatest integer less than or equal to x for any number x, is [a]+[b]=1? (1) ab=2 (2) 0 < a < b < 2 Source: GMAT Club Tests | Difficulty: Hard
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C

Adithi_101
If a is a decimal, what is the unit digit of 10a? (A) When a is rounded to the unit’s place, the result is 3. (B) When a is rounded to the tenths place, the result is 3.5
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E

sg_mba
E
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Sorry C
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Practice Questions Chat Updated on: 15 Jun 2023, 00:16
Originally posted by Anki111 on 15 Jun 2023, 00:14.
Last edited by Anki111 on 15 Jun 2023, 00:16, edited 1 time in total.
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A piece of carpet in the shape of a trapezoid has a smaller base measuring 50 inches and the larger base measuring 70 inches. What is the perimeter of the carpet?

(1) The area of the carpet is 450 square inches.
(2) The height of the carpet is 7.5 inches.

Can some one explain this? Why can’t one side be equal to the Height and the other side we can find with the help of Pythagoras Theorem. So, D should be sufficient. 50+70+s1+s2
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Practice Questions Chat 15 Jun 2023, 00:19
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answer is strangely E
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