The GMATPill OG 13 Tracker

Track Your Performance & Watch Video Explanations

Study with the Official Guide for GMAT 13th edition and use the GMATPill OG13 Tracker to track your responses
* = video explanations

SC Diagnostic


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SC Practice


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PS Diagnostic


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PS Practice


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CR Diagnostic


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CR Practice


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Sentence Correction(SC) : OG Diagnostic Test
OG13 SC Diagnostic #35. Unlike the buildings in Mesopotamian cities, which ...(See OG for remaining section)

Page 93




  • the buildings in Mesopotamian ...
  • the buildings in Mesopotamian ...
  • the arrangement of buildings i...
  • Mesopotamian cities, in which ...
  • Mesopotamian cities, which had...
     
Comments (1) | View Video
OG13 SC Diagnostic #36. New data from United States Forest Service ecologi ...(See OG for remaining section)

Page 93



  • that for every dollar spent on...
  • that for every dollar spent on...
  • that for every dollar spent on...
  • for every dollar spent on cont...
  • for every dollar spent on cont...
     
Comments (1) | View Video
OG13 SC Diagnostic #37. Like the grassy fields and old pastures that the u ...(See OG for remaining section)

Page 94



  • the sandpipers vanishing in th...
  • the bird itself is vanishing i...
  • that the birds themselves are ...
  • in the northeastern United Sta...
  • in the northeastern United Sta...
     
Comments (0) | View Video
OG13 SC Diagnostic #38. The results of two recent unrelated studies suppor ...(See OG for remaining section)

Page 95



  • dolphins as capable of recogni...
  • dolphins' ability to recognize...
  • dolphins to be capable of reco...
  • that dolphins have the ability...
  • that dolphins are capable of r...
     
Comments (1) | View Video
OG13 SC Diagnostic #39. According to scholars, the earliest writing was pr ...(See OG for remaining section)

Page 95



  • was more likely to begin as...
  • more than likely began as...
  • more than likely beginning fro...
  • it was more than likely begun ...
  • it was more likely that it beg...
     
Comments (0) | View Video
OG13 SC Diagnostic #40. In 1995 Richard Stallman, a well-known critic of t ...(See OG for remaining section)

Page 96



  • laws, an observation about ele...
  • laws, which was an observation...
  • laws, namely, it was an observ...
  • laws, an observation about ele...
  • laws that was an observation a...
     
Comments (1) | View Video
OG13 SC Diagnostic #41. Excavators at the Indus Valley site of Harappa in ...(See OG for remaining section)

Page 97



  • indicate their development of ...
  • indicate that the development ...
  • indicates that their developme...
  • indicates the development of a...
  • indicates that the development...
     
Comments (0) | View Video
OG13 SC Diagnostic #42. The Supreme Court has ruled that public universiti ...(See OG for remaining section)

Page 97



  • with students' objections to p...
  • if they have objections to par...
  • if they object to particular a...
  • from students who object to pa...
  • though students have an object...
     
Comments (1) | View Video
OG13 SC Diagnostic #43. Despite the increasing number of women graduating ...(See OG for remaining section)

Page 98



  • the proportion of judges and p...
  • the proportion of women judges...
  • the proportion of judges and p...
  • yet the proportion of women ju...
  • yet the proportion of judges a...
     
Comments (1) | View Video
OG13 SC Diagnostic #44. Seldom more than 40 feet wide and 12 feet deep, b ...(See OG for remaining section)

Page 98



  • Seldom more than 40 feet wide ...
  • Seldom more than 40 feet wide ...
  • It was seldom more than 40 fee...
  • The Erie Canal was seldom more...
  • The Erie Canal, seldom more th...
     
Comments (1) | View Video
OG13 SC Diagnostic #45. In 1923, the Supreme Court declared a minimum wage ...(See OG for remaining section)

Page 99



  • the Supreme Court declared a m...
  • the Supreme Court declared as ...
  • the Supreme Court declared unc...
  • a minimum wage for women and c...
  • when the Supreme Court declare...
     
Comments (1) | View Video
OG13 SC Diagnostic #46. Researchers have found that individuals who have b ...(See OG for remaining section)

Page 100



  • who thus have never seen anyon...
  • who thus never saw anyone gest...
  • who thus have never seen anyon...
  • thus never having seen anyone ...
  • thus never having seen anyone ...
     
Comments (2) | View Video
OG13 SC Diagnostic #47. Like embryonic germ cells, which are cells that de ...(See OG for remaining section)

Page 101



  • embryonic stem cells have the ...
  • embryonic stem cells have the ...
  • in embryonic stem cells there ...
  • the ability to develop themsel...
  • the ability of developing into...
     
Comments (1) | View Video
OG13 SC Diagnostic #48. Critics contend that the new missile is a weapon w ...(See OG for remaining section)

Page 101



  • for manipulating people's perc...
  • for manipulating people's perc...
  • to manipulate people's percept...
  • to manipulate people's percept...
  • to manipulate people's percept...
     
Comments (1) | View Video
OG13 SC Diagnostic #49. As an actress and, more importantly, as a teacher ...(See OG for remaining section)

Page 102



  • Stella Adler was one of the mo...
  • Stella Adler, one of the most ...
  • Stella Adler was one of the mo...
  • one of the most influential ar...
  • one of the most influential ar...
     
Comments (1) | View Video
OG13 SC Diagnostic #50. By developing the Secure Digital Music Initiative, ...(See OG for remaining section)

Page 102



  • of distributing songs and full...
  • of distributing songs and full...
  • for distributing songs and ful...
  • to distribute songs and full-l...
  • to distribute songs and full-l...
     
Comments (1) | View Video
OG13 SC Diagnostic #51. Whereas a ramjet generally cannot achieve high spe ...(See OG for remaining section)

Page 103



  • high speeds can be attained by...
  • that high speeds can be attain...
  • the ability of scramjets, or s...
  • scramjets, or supersonic combu...
  • scramjets, or supersonic combu...
     
Comments (0) | View Video
OG13 SC Diagnostic #52. It will not be possible to implicate melting sea i ...(See OG for remaining section)

Page 104



  • like a glass of water that wil...
  • like melting ice cubes that do...
  • a glass of water will not over...
  • as melting ice cubes that do n...
  • as melting ice cubes do not ca...
     
Comments (1) | View Video
% Breakdown of OG SC questions
Your Sentence Correction Performance
SC # Questions # Correct # Incorrect % Correct
Descriptive Phrase, Main Sentence 6 0 0 0 %
Idioms 5 0 0 0 %
X&Y Consistency 4 0 0 0 %
Subject-Verb Agreement 2 0 0 0 %
Past-Present-Future 1 0 0 0 %

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