GMAT Critical Reasoning (CR) Forum - Practice and Tips

ER

A certain eye infection has been linked to exposure to a certain type

705-805 (Hard) | Method of Reasoning

705-805 (Hard) | Method of Reasoning hide tags

Vercules

18 Jun 2018, 20:18

63

16

13,800

by: VerbalBot

17 Mar 2024, 19:43

ER

A certain gene can be stimulated by chemicals in cigarette smoke,

505-555 (Easy) | Conclusion, Must be True

505-555 (Easy) | Conclusion, Must be True hide tags

Raxit85

11 Nov 2019, 10:37

32

5

9,567

by: VerbalBot

22 Nov 2024, 05:15

ER

A certain laboratory is studying the incidence of fatal liver damage

705-805 (Hard) | Resolve Paradox

705-805 (Hard) | Resolve Paradox hide tags

Bunuel

18 Sep 2025, 00:07

6

5

1,293

by: Bunuel

05 Oct 2025, 17:00

-1

A certain library was experiencing a problem with lost books,

605-655 (Medium) | Weaken

605-655 (Medium) | Weaken hide tags

aragonn

15 Mar 2018, 17:20

8

5

4,002

by: ballest127

13 Aug 2019, 18:22

ER

A certain mayor has proposed a fee of five dollars per day on private

605-655 (Medium) | Logical Flaw, Weaken

605-655 (Medium) | Logical Flaw, Weaken hide tags

1, 2

MamtaKrishnia

01 Nov 2023, 06:30

543

33

90,122

by: rak08

11 May 2025, 10:35

ER

A certain medication used to treat migraine headaches acts by blocking

555-605 (Medium) | Conclusion

555-605 (Medium) | Conclusion hide tags

Bunuel

30 Oct 2024, 01:30

4

2

1,953

by: Bunuel

03 Nov 2024, 10:15

ER

A certain mobile smartphone manufacturer aims to increase its market

Sub 505 (Easy) | Evaluate Argument

Sub 505 (Easy) | Evaluate Argument hide tags

GMATPill

08 Jul 2013, 13:51

3

5

5,786

by: VerbalBot

22 Oct 2022, 12:09

ER -1

A certain moral system holds that performing good actions is praisewor

555-605 (Medium) | Resolve Paradox

555-605 (Medium) | Resolve Paradox hide tags

vd

03 Jan 2019, 14:16

51

13

22,914

by: VerbalBot

24 May 2025, 08:20

ER

A certain new banking firm was created as a joint venture of the

705-805 (Hard) | Assumption

705-805 (Hard) | Assumption hide tags

Bunuel

05 Aug 2023, 04:00

191

19

38,281

by: MartyMurray

25 Aug 2025, 13:21

ER

A certain pharmaceutical firm claims that its dietary supplement, Diet

Sub 505 (Easy) | Evaluate Argument

Sub 505 (Easy) | Evaluate Argument hide tags

GetThisDone

29 Oct 2019, 22:52

23

5

21,498

by: epsilon-delta

13 Sep 2023, 20:06

ER

A certain pharmaceutical firm recently developed a new

605-655 (Medium) | Resolve Paradox

605-655 (Medium) | Resolve Paradox hide tags

anilnandyala

12 Jul 2015, 04:18

55

12

25,673

by: studentforever

24 Apr 2025, 03:38

ER

A certain retailer promotes merchandise by using the following policy:

805+ (Hard) | Conclusion

805+ (Hard) | Conclusion hide tags

Sajjad1994

18 Aug 2019, 02:06

20

7

7,855

by: VerbalBot

02 Nov 2025, 21:11

ER

A certain South East Asian county produces plenty of onions. The avera

505-555 (Easy) | Resolve Paradox

505-555 (Easy) | Resolve Paradox hide tags

Bunuel

26 Jun 2018, 11:42

2

6

3,200

by: aragonn

26 Jun 2018, 18:48

ER -1

A certain species of bird has two basic varieties, crested and noncres

605-655 (Medium) | Strengthen

605-655 (Medium) | Strengthen hide tags

Bunuel

26 Feb 2020, 02:53

18

3

8,321

by: VerbalBot

21 Oct 2023, 10:48

ER

A certain species of coral that flourishes on a reef off the North Car

555-605 (Medium) | Complete the Passage

555-605 (Medium) | Complete the Passage hide tags

Bunuel

10 Mar 2024, 05:50

19

3

5,827

by: VerbalBot

02 Dec 2025, 22:12

ER

A certain species of desert lizard digs tunnels in which to lay its eg

505-555 (Easy) | Resolve Paradox

505-555 (Easy) | Resolve Paradox hide tags

BillyZ

21 Aug 2024, 01:41

135

10

39,379

by: VerbalBot

06 Aug 2025, 22:00

ER

A certain strain of bacteria was found in the stomachs of ulcer patien

555-605 (Medium) | Strengthen

555-605 (Medium) | Strengthen hide tags

Bunuel

27 Sep 2019, 01:24

11

6

8,565

by: rmahe11

27 Aug 2024, 08:14

ER

A certain towns pizza shop initiated an advertising campaign to bring

505-555 (Easy) | Resolve Paradox

505-555 (Easy) | Resolve Paradox hide tags

Bunuel

12 May 2023, 01:30

2

3

2,527

by: Bunuel

04 Jun 2023, 07:45

ER

A certain tropical island received food donations in the form of

555-605 (Medium) | Complete the Passage

555-605 (Medium) | Complete the Passage hide tags

1, 2

bkk145

09 Oct 2007, 20:14

216

22

49,967

by: VerbalBot

11 Jan 2026, 05:28

ER -1

A certain type of insect trap uses a scented lure to attract rose beet

605-655 (Medium) | Resolve Paradox

605-655 (Medium) | Resolve Paradox hide tags

Legendaddy

27 Jan 2013, 15:36

57

9

15,683

by: VerbalBot

25 May 2025, 03:04

ER

A certain type of mold known to cause a skin rash was discovered in th

Sub 505 (Easy) | Weaken

Sub 505 (Easy) | Weaken hide tags

Bunuel

03 Jan 2022, 03:30

1

2,218

by: Bunuel

15 Jan 2022, 03:30

A certain type of prehistoric basket has been found

655-705 (Hard) | Must be True

655-705 (Hard) | Must be True hide tags

phoenix2194

14 Jul 2022, 06:46

11

5

4,029

by: Azeem123

25 Apr 2025, 11:42

ER

A certain variety of spear thistle, a weed that quickly

705-805 (Hard) | Strengthen

705-805 (Hard) | Strengthen hide tags

RivaM

01 Aug 2011, 15:49

31

9

8,746

by: VerbalBot

29 Aug 2025, 11:07

ER

A certain viral infection is widespread among children, and about 30

555-605 (Medium) | Resolve Paradox

555-605 (Medium) | Resolve Paradox hide tags

souvik101990

02 Apr 2015, 08:09

12

9

18,465

by: trungnx26

03 Feb 2025, 05:26

ER

A certain watchmaker is attempting to increase its market share by

Sub 505 (Easy) | Evaluate Argument, Method of Reasoning

Sub 505 (Easy) | Evaluate Argument, Method of Reasoning hide tags

Bunuel

26 Mar 2024, 01:30

6

2

5,481

by: Bunuel

07 Apr 2024, 06:45

ER

A chemical company claims that, since only one of 520 rats that were

605-655 (Medium) | Strengthen

605-655 (Medium) | Strengthen hide tags

blog

10 Mar 2025, 00:02

176

19

37,615

by: guddo

11 Apr 2026, 03:15

A chemical company developed a new fuel additive that

555-605 (Medium) | Evaluate Argument

555-605 (Medium) | Evaluate Argument hide tags

guerrero25

09 Aug 2013, 22:27

6

4

4,228

by: VerbalBot

07 Apr 2020, 09:32

ER

A chemical company recently introduced a new type of foam spray that

555-605 (Medium) | Weaken

555-605 (Medium) | Weaken hide tags

Bunuel

16 Sep 2025, 04:16

3

2

937

by: Bunuel

05 Oct 2025, 16:15

ER

A chemical compound has been developed that disrupts the biological me

555-605 (Medium) | Complete the Passage

555-605 (Medium) | Complete the Passage hide tags

Bunuel

17 May 2021, 06:00

9

5

7,107

by: VerbalBot

07 Jun 2025, 06:04

ER

A chemical factory periodically produces toxic phosphates as runoff

555-605 (Medium) | Evaluate Argument

555-605 (Medium) | Evaluate Argument hide tags

ExpertsGlobal5

08 Feb 2026, 20:00

3

7

906

by: CLStudyAbroad

19 Feb 2026, 02:18

ER

A chemical spill in Oak City that took place in February tainted the

555-605 (Medium) | Complete the Passage

555-605 (Medium) | Complete the Passage hide tags

Abhi077

18 Feb 2020, 23:39

5

3

1,641

by: VerbalBot

19 Dec 2025, 00:41

ER

A child learning to play the piano will not succeed unless the child

505-555 (Easy) | Weaken

505-555 (Easy) | Weaken hide tags

1, 2

BillyZ

21 Aug 2024, 02:48

138

27

35,060

by: egmat

10 Sep 2025, 01:09

ER

A child watching television experiences a procession of sights and sou

505-555 (Easy) | Assumption

505-555 (Easy) | Assumption hide tags

Carcass

24 Jun 2019, 11:01

4

2

4,732

by: VerbalBot

22 Jan 2021, 07:44

-1

A child's conception of whether certain behavior

805+ (Hard) | Inference

805+ (Hard) | Inference hide tags

garazhaka

27 Oct 2013, 23:15

15

13

5,786

by: ayushgmatclub1

07 Aug 2021, 03:51

ER

A circuits manufacturer in California needs a significant amount of pu

605-655 (Medium) | Complete the Passage

605-655 (Medium) | Complete the Passage hide tags

Bunuel

13 Dec 2021, 04:00

21

6

6,556

by: VerbalBot

07 Jul 2025, 02:51

ER

A citizens’ group in State X is pushing legislation to have mobile pho

655-705 (Hard) | Strengthen

655-705 (Hard) | Strengthen hide tags

bibha

23 Jan 2019, 04:41

23

7

10,503

by: VerbalBot

16 Jan 2024, 00:28

A city aims to encourage bicycling (and thus improve public health)

555-605 (Medium) | Evaluate Argument

555-605 (Medium) | Evaluate Argument hide tags

Abhi077

22 Mar 2020, 23:09

3

2

1,739

by: gmat1393

08 Oct 2020, 08:58

A city council has proposed a new public transportation initiative aim

705-805 (Hard) | Strengthen

705-805 (Hard) | Strengthen hide tags

chandy123

08 Dec 2024, 08:42

6

7

3,345

by: arman223

24 Dec 2024, 04:23

ER -1

A city councilman has proposed a controversial new plan to increase ci

555-605 (Medium) | Weaken

555-605 (Medium) | Weaken hide tags

Sajjad1994

20 Mar 2019, 08:08

4

5

2,840

by: shuvodip04

20 Mar 2019, 22:19

ER

A city councilor argues that banning privately owned cars from

655-705 (Hard) | Weaken

655-705 (Hard) | Weaken hide tags

atenim

03 Feb 2026, 11:51

7

2

472

by: egmat

03 Feb 2026, 22:51

A city has been operating its public transportation system using diese

705-805 (Hard) | Assumption

705-805 (Hard) | Assumption hide tags

chandy123

30 Dec 2024, 02:45

4

2

1,308

by: D3N0

30 Dec 2024, 03:40

ER

A city plans to attract new citizens with new housing and new faciliti

Sub 505 (Easy) | Logical Flaw

Sub 505 (Easy) | Logical Flaw hide tags

lexis

12 Mar 2019, 07:40

43

10

42,127

by: VerbalBot

29 Apr 2025, 10:42

ER

A city poll of the community showed that 88 percent of respondents

805+ (Hard) | Logical Flaw

805+ (Hard) | Logical Flaw hide tags

AshutoshB

01 Aug 2018, 01:17

32

10

6,437

by: VerbalBot

17 Jan 2026, 17:25

ER

A city's government has decided to impose a fee

805+ (Hard) | Assumption

805+ (Hard) | Assumption hide tags

EtaCarnia

11 Jun 2025, 12:36

22

12

2,407

by: Tumbler

10 Oct 2025, 01:03

ER

A citys public transportation board has decided to cut costs by reduc

Poor Quality

Poor Quality hide tags

bonzai

27 May 2011, 21:09

12

16

8,038

by: VerbalBot

23 Jun 2024, 11:11

-1

A citys transportation department plans to reduce traffic congestion

505-555 (Easy) | Assumption +3 tags

505-555 (Easy) | Assumption, Bold Face CR, Logical Flaw, Strengthen hide tags

Mosaib

14 Feb 2026, 21:23

4

3

873

by: guddo

25 Apr 2026, 00:45

ER

A class of chemicals called phthalates can be toxic to humans who come

505-555 (Easy) | Strengthen

505-555 (Easy) | Strengthen hide tags

Bunuel

02 Jun 2018, 05:14

24

15

6,480

by: VerbalBot

08 Jan 2026, 19:38

ER

A client contracted a private investigator to complete a background ch

705-805 (Hard) | Weaken

705-805 (Hard) | Weaken hide tags

UB001

14 Jan 2019, 02:28

5

3,237

by: VerbalBot

05 Jan 2023, 11:42

ER

A clothing manufacturer reports that unsalable garments, those found

555-605 (Medium) | Resolve Paradox

555-605 (Medium) | Resolve Paradox hide tags

trulyness

06 Feb 2022, 06:34

18

6

9,027

by: Pray2K

19 Apr 2025, 23:15

ER

A coffee manufacturer wants more restaurant chains to serve its brands

505-555 (Easy) | Evaluate Argument

505-555 (Easy) | Evaluate Argument hide tags

Bunuel

07 Feb 2021, 09:39

8

5

6,454

by: VerbalBot

07 Nov 2023, 18:58