Permutations Combinations Problem 11

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  • Abhishek Kumar

    Apr 1st, 2019

  • Priyangshu Pramanick Apr 2nd, 2019

    Answer is (10!)/2...which is same as (a)


Abhishek Kumar

Abhishek Kumar

Abhishek did B. Tech. in Computer Science & Engineering from IIT Kanpur in 2005. Thereafter he joined Indian Revenue Service (IRS) in 2006. He has deep interests in science. He authored the book “Mathematics for Learning Physics”, published by Arihant Publications. This book is designed to be used as the first book after class X and addresses difficulty faced by fresh pass-outs from class X in understanding Physics of class XI on account of non-familiarity with mathematical tools(calculus etc)