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Number System For CAT and other Exams (Eng)
Division and Remainders
Division and Remainders : Basics and Interpretations (13:42)
Remainders shortcut (11:22)
Remainders shortcut in action (12:14)
Remainders and Cycles (12:28)
Remainders Cycles and Indices (10:46)
Remainders Cycles/Indices discussion (11:33)
Practice and Discussions : finding remainders using repeating cycles (39:58)
Remainders and composite indices (8:52)
Remainders and composite indices -2 (14:59)
Euler's totient number and co primes (Hin+) (12:03)
Euler's Remainder theorem : (Hin+) (14:44)
Fermat's and wilson's theorems (Hin+) (25:10)
New Lecture
Factorisation and Factorials
Intro : Factors and Factorisation (7:16)
Basics: Understanding Factorisation of factorials (38:10)
Practice questions: Factorisation of factorials (41:09)
Basics: Trailing zeroes for a number (using factorisation) (36:39)
Factorisation and Number of Factors
Basics : numbers of factors (22:42)
Practice Number of Factors (23:28)
Identifying number from number of factors (21:01)
No of factors : Placement and pairs (20:13)
N o F : Applications 1 (26:33)
No of F : applications 2 (20:56)
Number of Trailing Zeroes and Factorisation + factorials Hin+
What are trailing zeroes and importance of factorisation (10:41)
Trailing Zeroes and Factorials (8:32)
Going Deeper (8:25)
Classic problem structure (4:09)
Exercise
Practice and CAT workshops
Practice Sheet 1 (45:15)
Practice Sheet 2 : (32:19)
CAT questions (32:20)
CAT questions -2 (27:31)
CAT questions and problem solving approaches (29:47)
Learning via CAT questions (22:55)
CAT questions : Factorisation and number of factors (13:59)
More CAT questions and learnings (37:55)
Basics: Understanding Factorisation of factorials
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