JEE Main 2020MathematicsPermutation CombinationHardMCQ

JEE Main 2020 — Permutation Combination Question with Solution

JEE Main 2020 (09 Jan Shift 1)

Question

If the number of five digit numbers with distinct digits and 2 at the 10th place is 336k , then k is equal to:

Choose an option

Show full solutionCorrect option: D
Correct answer
D8

Step-by-step explanation

      2  

Total Number of numbers =8×8×7×6=2688=336k⇒k=8

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About this question

This is a previous-year question from JEE Main 2020, covering the Permutation Combination chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.