The correct option is C 127
Let 'x' be 0.037037037....
In this decimal, the digits 037 gets repeated. So multilpy x with 1000.
⇒ 1000x = 37.037037....
= 37 + 0.037037037....
= 37 + x (∵x=0.037037.....)
⇒ 999x = 37
⇒ x = 37999
= 127
∴ Fraction form of the decimal 0.037037037.... is 127.