4. In class test (+3) marks are given for every correct answer and (-2)
marks are given for every incorrect answer and no marks for not
attempting any questions. Radhika scored 20 marks. If she has
got
correct answers, how many questions has she attempted incorrectly?
Respuestas a la pregunta
Contestado por
0
Explicación paso a paso:
sorry i cant understand your Questions
Otras preguntas