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Masterclass : Arithmetic and applications - Self Study
Text-Book
Text-Book
Ratios and variations
Hello Ratios (10:38)
Ratios and Scale (9:15)
Ratios Discussion 1: Applying learnings (27:45)
Standard Ratio forms and playing with them (30:20)
Ratio word problems and Problems on Age (33:34)
Text Book Exercise 1 (21:03)
Exercise 1 : part b (17:24)
Ratios and partnerships (21:56)
Hello Variations (28:09)
Variations Discussions 1 (27:20)
Man work days and more : Using variations and multiplying factors (32:26)
Variations Exercise 1 (32:35)
Man work days : Speed building (12:47)
Man work days : Exercise (23:26)
Man work days and applications : Exercise part 2 (26:48)
Variations and Equations (19:22)
Direct and inverse relations (20:40)
Assignment Discussions - 9-17 (30:35)
AD-2 : 18-28 (26:12)
A25 (12:58)
A 26-28 (14:04)
A 40-44 (14:31)
A 45-50 (14:29)
Percentages and applications
Hello Percentages (28:39)
Percentages discussion 1 : Sheet
Speed Building 1 : Percent fraction conversions and a quiz (15:03)
Percentages practice 1 : word problems (26:42)
Percentages Exercise 2: Focus on Change of Bases (24:09)
Percentages speed building : Using fractions as multiplying factors (29:25)
Practice: Speed building % using fractions and Multiplying factors (36:44)
Practice : speed building using variation (34:30)
Practice questions :
Changing wholes/parts and use of ratios (27:25)
Using Equations (18:40)
Percentage exercise 1 part 1a (17:03)
Percentage Exercise 1b (11:12)
Percentage Exercise 1 part 2 (44:16)
CAT questions (24:46)
Hello Profit and Loss (30:02)
Profit loss: Standard problems (43:09)
Markups and Discounts (31:15)
Cheating and faulty weights as markups and discounts (29:22)
PLD: Exercise 1 (34:09)
Simple and Compound interest (26:58)
SI and CI : applications and approaches (26:59)
Compound interest : Approaches and tips (40:13)
Topic Test 1
Assignment 1-10
Assignments -11-19
21-29
Assignments -30-40
Assignments 41-50
Assignment Ans key
Time Rates and Work
Hello Time and Work (20:25)
Time and Work: Fundamentals and Shortcuts (21:01)
Time and Work Discussion 1 (16:21)
Hello Pipes and Leaks and Cisterns (17:42)
Time and Work discussion 2 : Standard word problems (28:44)
Time Rate and Work Exercise (36:34)
Time and Work : Negative work (22:06)
Men women and Children : teams (35:06)
CAT questions : Time and Work (25:52)
Test
Averages and Weighted Averages (mixtures and solutions)
Hello Averages (28:12)
Averages story : visualisation (20:19)
Averages : Discussions, using formula and story (32:20)
Exercise : Averages (34:23)
Hello Weighted Averages (30:28)
Hello Mixtures and Solutions (28:13)
Hello Aligations and scale (32:19)
Practice : Using the scale method in various scenarios (22:52)
Mixtures and Solutions: Successive removal and replacements (25:15)
Removal and Replacements changing quantities (25:53)
Exercise : removal and replacements (24:54)
Exercise (49:04)
CAT questions (39:27)
Homework 1 : Basic Averages
Home Work -2 : Averages and Weighted Averages
Test : Averages
Test : Weighted Averages
Homework-3
Assignments 1-8
Assignments 9-18
Assignments 19-26
Assignments 27-34
Assignments 35-41
Assignments 42-50
Assignment Ans key
Solutions
Time Speed and Distance
Hello Time Speed Distance (35:06)
Time Speed and Distance 2 : Using variations and multiplying factors (32:36)
Variations :Problems (21:01)
Practice Sheet : Basic Relations
Problem solving approach (13:47)
TSD : Races (21:29)
TSD 3: Average Speed (34:38)
TSD 4: Relative Speed (31:40)
Practice Exercise : Relative speed (28:20)
TSD: Trains Crossing Poles/Platforms/Trains (42:40)
TSD : Boats and Streams (26:05)
Practice Sheet : Trains and Boats
TSD 5: Circular Tracks (33:58)
Circles 2: No. and possible locations of meetings (35:47)
Practice Sheet : Average Speed and Circular Tracks
Understanding escalators (27:23)
TSD : Assignment discussion 1 (27:22)
CAT questions : TSD 1 (40:47)
Practice test
Practice part 1 (24:59)
Practice 1 : part 2 (23:37)
TSD practice : part 3 (19:59)
TSD and visualisation (9:39)
Shortcuts Vs Proof : time taken after meeting (12:47)
A 26-28
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