Permutations and Combinations: JEE Main 2026 Mathematics question

JEE Main 2026 · 2 Apr, Evening shift · Q7

JEE Main 20262 Apr, Evening shiftMathematicsEasyPermutations and Combinations98× since 2002

Let

p_n

denote the total number of triangles formed by joining the vertices of an n-side regular polygon. If

p_{n+1}-p_n=66

, then the sum of all distinct prime divisors of n is :

JEE Main 2026 · 2 Apr, Evening shift · Q7

JEE Main 20262 Apr, Evening shiftMathematicsEasyPermutations and Combinations98× since 2002

Let

p_n

denote the total number of triangles formed by joining the vertices of an n-side regular polygon. If

p_{n+1}-p_n=66

, then the sum of all distinct prime divisors of n is :

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