Bhavna Raikwar hanged herself in the kitchen of her house at Bhoipura locality in Bhopal, said Taliya police station Inspector Karan Singh.
The 17-year-old came to know on Monday, when the results were announced, that she had failed in three subjects. Devastated by the result, she went into the kitchen of her house and hanged herself to an overhead hook using her 'dupatta' (stole) as a noose, he said.
The Madhya Pradesh High School Board today announced the results of Class X exams.
A case has been registered and further investigations were on, the officer added.