In a test, ( + 5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. Rakesh answered all the questions and scored 30 marks though he got 10 correct answers. How many incorrect answers had he attempted?

In a test, ( + 5) marks are given for every correct answer and (-2) ma

1.	In a test, ( + 5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. Rakesh answered all the questions and scored 30 marks though he got 10 correct answers. How many incorrect answers had he attempted?
A.	-10
B.	-12
C.	10
D.	12
Answer» D. 12

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In a test, ( + 5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. Rakesh answered all the questions and scored 30 marks though he got 10 correct answers. How many incorrect answers had he attempted?

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