A boy gets 3 marks for each correct sum and loses l mark for each inco

1.	A boy gets 3 marks for each correct sum and loses l mark for each incorrectsum. He does 25 sums and obtains 62 marks. Then how many correct sums werethere?
Answer» Marks for correct answer =3Marks for incorrect answer=1Questions he attempt=25Total marks=61No. of incorrect answers=14 If he get 3 marks for correct answers then 3×25=75But his marks is 61i.e. 75-61=14

A boy gets 3 marks for each correct sum and loses l mark for each incorrectsum. He does 25 sums and obtains 62 marks. Then how many correct sums werethere?

Answer»

Marks for correct answer =3Marks for incorrect answer=1Questions he attempt=25Total marks=61No. of incorrect answers=14

If he get 3 marks for correct answers then 3×25=75But his marks is 61i.e. 75-61=14