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प्रश्न
0.2 % of a number is 5. Find the number.
उत्तर
Let number x
then 0.2 % of x = 5
`=> 2/(10 xx 100)` of x = 5
`=> 1/500` of x = 5
`=> "x" = (5 xx 500)/1`
∴ Number = 2500
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