jee_main_2024_31_jan_evening - Permutations and Combinations Topics

Master these core formulas and structures to solve almost any past paper question.

Sample Questions in this Chapter

QUESTION #1 Distribution of Identical Objects
The number of ways in which 21 identical apples can be distributed among three children such that each child gets at least 2 apples, is
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QUESTION #17 Combinations and Permutations Formula
If for some m, n; ⁶Cm + 2(⁶Cm+1) + ⁶Cm+2 > ⁸C₃ and ⁿ⁻¹P₃ : ⁿP₄ = 1:8, then ⁿPm+1 + ⁿ⁺¹Cm is equal to
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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