In a test +5 marks are given for every correct answer and -2 marks are given for every incorrect answer. Sohail answered all the questions and scored 30 marks though he got 10 correct answers. How many incorrect questions has he attempted ? How many questions were given in the test ?
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Answered by
3
Answer:
10 correct + 5 for 1 = 10 X 5=50
-2 Incorrect + -10 = -2 X 10 = -20
Answered by
0
Answer:
he attwmpted 10 incorrect questions.
test has total 20 questions
Step-by-step explanation:
he got 10 correct answers i.e. 5 ×10=50
but he got 30 marks so he got 20 minus points
for each wrong answer penaltt is -2 points.
so -2×10=-20.
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