Select the option that can be used as a one-word substitute for the given group of words.
An unlikely chance or occurrence, especially a piece of good luck

Correct option is C

The correct one-word for the given group of words is (c) Fluke.
Fluke refers to an unexpected stroke of good luck or an unlikely and surprising event. (एक अप्रत्याशित सौभाग्य या संयोग)
Example: Winning the lottery was just a fluke for him.
Meanings of the given other options:
· (a) Pauper: A very poor person (गरीब व्यक्ति)
· (b) Messiah: A savior or liberator, especially in religion (उद्धारकर्ता)
· (d) Masquerade: A false show or pretense, also a costume party (छलावरण या भेष बदलना)