Question:

The smallest number that should be subtracted from 2085, so that the new number is completely divisible by 23 is

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For “smallest number to subtract to be divisible by $m$”, compute remainder $r$ of $N$ on division by $m$ and subtract $r$.
Updated On: Aug 13, 2025
  • 9
  • 15
  • 20
  • 19
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The Correct Option is B

Solution and Explanation

Find the remainder when $2085$ is divided by $23$.
$23\times 90=2070$, so remainder $=2085-2070=15$.
Subtracting the remainder makes it divisible by $23$: $2085-15=2070$.
Hence the least number to subtract is 15.
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