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JEE Main 201816 AprilOnline
Exam
JEE Main
Year
2018
Date
16 April
Mode
Online
Subject
Mathematics
Chapter
Permutation and Combination

JEE Main 2018 · 16 April · Online · Mathematics · Permutation and Combination

The number of numbers between 2, 000 and 5, 000 that can be formed...

The number of numbers between 2,0002, 000 and 5,0005, 000 that can be formed with the digits 0,1,2,3,40, 1, 2, 3, 4 (repetition of digits is not allowed) and are multiple of 33 is

Options

  1. A3636
  2. B3030
  3. C2424
  4. D4848

Correct answer

A. 3636

Step-by-step solution

When a number is divisible by 33, then sum of digits of a number is also divisible by 33.

Number can be formed from (0,1,2,3)( 0, 1, 2, 3 ) or (0,2,3,4)( 0, 2, 3, 4 ).

Number of 44 digits number

=3×3×2×1+3×3×2×1= 3 \times 3 \times 2 \times 1 + 3 \times 3 \times 2 \times 1

=36= 36.

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