## Nilanjan Dutta is teaching live on Unacademy Plus

LRDI Practice Sets (Class-wise Students Progression) By Nilanjan Dutta CAT 100%-iler CAT PREPARATION WITH 100 PERCENTILERS

Brief Introduction About Myself BESU Shibpur, 2012 pass-out (CS) Final Year (2011- 12 season) appeared for CATIXAT/IIFT CAT-99.43, XAT 99.35, IIFT-99.59 Converts - XLRI, IIM-Indore, IFT XLRI 2014 pass-out Working as a Business Consultant with an IT firm in Kolkata QA-DI-LR & GD-PI Mentor 2nd attempt at CAT-100%-ile in CAT 2016 National Level Debater, Lead Actor, Sports Enthusiast CAT 100%-iler

UNACADEMY PLUS Data Interpretation and Logical Reasoning (DI/LR) By Nilanjan Dutta CAT & DI-LR 100%-iler

IMS SIMCAT 2018 Caselet DiSscussion The following table gives the information of the students in Class 7, Class 8, Class 9 and Class 10 in Vidyamandir Senior Secondary School, Jaipur over the given period of 3 years. Year 2015 2016 2017 Number of students 800 900 750 700 Number of students 900 820 880 850 Number of students 851 1010 818 874 Passfail PassFail PassFail Class 7 Class 8 Class9 Class 10 712 810 700 600 15 123 802 808 185 780 820 45 72 48 50 759115 765 20 50 Each year a certain number of students either passed the exam, failed the exam, repeated the exam or did not appear for the exam. Also, the Number of students in any class C for any year Y New admissions for that class Number of students of class (C-1) who passed in the year (Y-1)Number of students failing in class C in year (Y-1) +Number of students of class C who did not write the exam in year (Y-1). For instance, Number of students in class 8 in year 2016 New admissions for class 8 in 2016 Number of students of class 7 who passed in the year 2015+Number of students failing in class 8 in year 2015SNumber of students of class 8 who did not write the exam in year 2015. It is known that, no person repeated the exam in the year 2015. Any student can proceed to next class only by passing the exam. No student leaves the school in the year 2015, 2016 and 2017. Pass percentage Number of pass students / Number of total students. Further it is known: 1. Number of students failed in class 7 in 2015 is same as Number of students failed in class 10 in 2016 2. 85% of the total students passed in class 8 in 2016 3. Number of students failed in class 9 in 2015 is 25% less than that of class 7 in the same year 4. In class 7 in 2016, 4% Students did not pass

Caselet iSscussion What is the highest pass percentage in any class (among 7th, 8th, gth and 10th) in any year from 2015-2017? 93.33% 94.24% 95.35 > 96%

Caselet iSscussion How many new students got admission in year 2017 in class 9th? > 1 2 3 None of these

Caselet iSscussion How many total students did not write the exams in class 7h, 8th, gth and 10th in the year 2016? 64 58 48

Caselet iSscussion What is the approximate pass percentage in 7th, 8th, 9th and 10th class combined in the year 2017 combined? 85% 90% 95% 80%

IMS SIMCAT 2018 Caselet DiSscussion The following table gives the information of the students in Class 7, Class 8, Class 9 and Class 10 in Vidyamandir Senior Secondary School, Jaipur over the given period of 3 years. Year 2015 2016 2017 Number of students 800 900 750 700 Number of students 900 820 880 850 Number of students 851 1010 818 874 Passfail PassFail PassFail Class 7 Class 8 Class9 Class 10 712 810 700 600 15 123 802 808 185 780 820 45 72 48 50 759115 765 20 50 Each year a certain number of students either passed the exam, failed the exam, repeated the exam or did not appear for the exam. Also, the Number of students in any class C for any year Y New admissions for that class Number of students of class (C-1) who passed in the year (Y-1)Number of students failing in class C in year (Y-1) +Number of students of class C who did not write the exam in year (Y-1). For instance, Number of students in class 8 in year 2016 New admissions for class 8 in 2016 Number of students of class 7 who passed in the year 2015+Number of students failing in class 8 in year 2015SNumber of students of class 8 who did not write the exam in year 2015. It is known that, no person repeated the exam in the year 2015. Any student can proceed to next class only by passing the exam. No student leaves the school in the year 2015, 2016 and 2017. Pass percentage Number of pass students / Number of total students. Further it is known: 1. Number of students failed in class 7 in 2015 is same as Number of students failed in class 10 in 2016 2. 85% of the total students passed in class 8 in 2016 3. Number of students failed in class 9 in 2015 is 25% less than that of class 7 in the same year 4. In class 7 in 2016, 4% Students did not pass

Caselet iSscussion What is the highest pass percentage in any class (among 7th, 8th, gth and 10th) in any year from 2015-2017? 93.33% 94.24% 95.35 > 96%

Caselet iSscussion What is the approximate pass percentage in 7th, 8th, 9th and 10th class combined in the year 2017 combined? 85% 90% 95% 80%

IMS SIMCAT 2018 Caselet DiSscussion The following table gives the information of the students in Class 7, Class 8, Class 9 and Class 10 in Vidyamandir Senior Secondary School, Jaipur over the given period of 3 years. Year 2015 2016 2017 Number of students 800 900 750 700 Pass fail Number of 712 810 72 700 48 600 50 Pass Fail 802 45 808 185 780 20 820 50 Pass FailNumber of Class 7 Class 8 Class 9 Class 10 students 900 820 880 850 students 851 1010 818 874 15 697 123 759 115 765 Further it is known: 1. Number of students failed in class 7 in 2015 is same as Number of students failed in class 10 in 2016. 2. 85% of the total students passed in class 8 in 2016 3, Number of students failed in class 9 in 2015 is 25% less than that of class 7 in the same year 4. In class 7 in 2016, 4% Students did not pass.

IMS SIMCAT 2018 Caselet DiSscussion The following table gives the information of the students in Class 7, Class 8, Class 9 and Class 10 in Vidyamandir Senior Secondary School, Jaipur over the given period of 3 years. Year 2015 2016 2017 Number of students 800 900 750 700 Pass fail Number of 712 64 810 72 700 48 600 50 Pass Fail 802 45 808 185 780 20 820 50 Pass FailNumber of Class 7 Class 8 Class 9 Class 10 students 900 820 880 850 15 697 123 759 115 765 64 students 851 1010 818 874 Further it is known: 1. Number of students failed in class 7 in 2015 is same as Number of students failed in class 10 in 2016. 2. 85% of the total students passed in class 8 in 2016 3, Number of students failed in class 9 in 2015 is 25% less than that of class 7 in the same year 4. In class 7 in 2016, 4% Students did not pass.

IMS SIMCAT 2018 Caselet DiSscussion The following table gives the information of the students in Class 7, Class 8, Class 9 and Class 10 in Vidyamandir Senior Secondary School, Jaipur over the given period of 3 years. Year 2015 2016 2017 Class 7 Class 8 Class 9 Class 10 Number of students 800 900 750 700 Pass fail Number of 712 64 810 72 700 48 600 50 students 900 820 880 850 Pass FailNumber of 864 15 697 123 759 115 765 64 students 851 1010 818 874 Pass Fail 802 45 808 185 780 20 820 50 Further it is known: 1. Number of students failed in class 7 in 2015 is same as Number of students failed in class 10 in 2016. 2. 85% of the total students passed in class 8 in 2016 3, Number of students failed in class 9 in 2015 is 25% less than that of class 7 in the same year 4. In class 7 in 2016, 4% Students did not pass.

Caselet iSscussion How many new students got admission in year 2017 in class 9th? > 1 2 3 None of these

IMS SIMCAT 2018 Caselet DiSscussion The following table gives the information of the students in Class 7, Class 8, Class 9 and Class 10 in Vidyamandir Senior Secondary School, Jaipur over the given period of 3 years. Year 2015 2016 2017 Class 7 Class 8 Class 9 Class 10 Number of students 800 900 750 700 Pass fail Number of 712 64 810 72 700 48 600 50 students 900 820 880 850 Pass FailNumber of 864 15 697 123 759 115 765 64 students 851 1010 818 874 Pass Fail 802 45 808 185 780 20 820 50 2016 Sum (Total)- Sum (Pass)-Sum (Fail)

IMS SIMCAT 2018 Caselet DiSscussion The following table gives the information of the students in Class 7, Class 8, Class 9 and Class 10 in Vidyamandir Senior Secondary School, Jaipur over the given period of 3 years. Year 2015 2016 2017 Number of students 800 900 750 700 Pass fail Number of 712 64 810 72 700 48 600 50 FailNumber of Class 7 Class 8 Class 9 Class 10 students 900 820 880 850 864 15 697 123 759 115 765 64 students 851 1010 818 874 Pass Fail 802 45 808 185 780 20 820 50 2016 Sum (Total)- Sum (Pass)-Sum (Fail) 3450 3402

IMS SIMCAT 2018 Caselet DiSscussion The following table gives the information of the students in Class 7, Class 8, Class 9 and Class 10 in Vidyamandir Senior Secondary School, Jaipur over the given period of 3 years. Year 2015 2016 2017 Class 7 Class 8 Class 9 Class 10 Number of students 800 900 750 700 Pass fail Number of 712 64 810 72 700 48 600 50 students 900 820 880 850 Pass FailNumber of 864 15 697 123 759 115 765 64 students 851 1010 818 874 Pass Fail 802 45 808 185 780 20 820 50 2016 Sum (Total)- Sum (Pass)-Sum (Fail) E 48