Question

I am 3 digit number
I have no even digit
only one digit of mine is composite
my tens digit is four less than my ones digit
my ones is two more than my hundreds digit​

Answer 1

$Required \: 3 \: digit \: number = 759$

Explanation:

$Odd\: Composite \: number = 9 \: ( Unit \: digit )$

$Ten's \: place \: digit \\= one's \: place \:digit -4 \\= 9 - 4 \\= 5$

$Hundreds \: place \:digit \\= one's \: place \:digit - 2 \\= 9 - 2\\= 7$

Therefore.,

$\red{Required \: 3 \: digit \: number} \green { = 759}$

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