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Permutations and Combinations · 2023 · 29 Jan · Shift 1

2 Mathematics questions from this JEE Main paper
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Permutations and Combinations · 2023 · 29 Jan · Shift 1

2 Mathematics questions from this JEE Main paper

  1. Q45.If all the six digit numbers x1​x2​x3​x4​x5​x6​ with 0<x1​<x2​<x3​<x4​<x5​<x6​ are arranged in the increasing order, then the sum of the digits in the 72th number is ​…
    Mathematics · Permutations and Combinations · Numerical
  2. Q47.Five digit numbers are formed using the digits 1, 2, 3, 5, 7 with repetitions and are written in descending order with serial numbers. For example, the number 77777 has serial number 1. Then the serial number of 35337 is ​…
    Mathematics · Permutations and Combinations · Numerical