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Playing with numbers — MATHS STD 6 — Question

Gujarat BoardEnglish MediumSTD 6MATHSPlaying with numbers2 Marks
Question
In the following numbers, replace $*$ by the smallest number to make it divisible by $9: 66784 *$
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Answer

$66784 *$ Sum of the given digits $= 6 + 6 + 7 + 8 + 4 = 31$
The multiple of $9$ which is greater than $31$ is $36.$
Therefore, the smallest required number $= 36 - 31 = 5$

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