Permutations and Combinations : String Method and Gap Method (11th/ JEE / GMAT/ CAT/ GRE/ Placement)
In this video, we learn about the basics of String Method as well as Gap Method and solve a few questions related to it.
Always Together = String Method
Always Separate = Gap Method
Note: n things from n distinct things can be arranged in n! ways
(11th /JEE / GMAT/ CAT/ GRE/ Placements)
In this video we will learn:
00:00 Introduction
01:45 When to apply Gap/String Method?
02:10 String Method
04:30 Gap Method
06:50 Combination of String and Gap Method
08:08 Practice Problems with Solution
Link to the Playlist on Permutations and Combinations: • Permutations and Combinations : Principle ...
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