Sainik School Entrance Exam 2021 Solved Paper

(c) The most appropriate word to be filled in the blank is 'childlike'.
The sentence will be,
The Princess was very generous. Everyone liked her for her childlike innocence'.
Childish commonly means silly or immature. This adjective usually (but not always) points to unfavorable qualities. Childlike means trusting or innocent, and it generally refers to the more positive or favorable qualities of a child.