In a class test , 5 marks are awarded for every correct answer , (-2) marks are awarded for every incorrect answer and 0 for not attempting any question. (a) Geeta gets attempted 7 correct and 5 incorrect answers and few she didn't attempt. What will be her score? (b) Rohita scored 30 marks. If she got 10 correct answers , how many questions she answered incorrectly?
Answers
Answer:
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Answer:
Given= 5 Marks are awarded for every correct answer.
= (-2)Marks are awarded for every incorrect answer.
and=0 For not attempting any question.
Step-by-step explanation:
(a) Geeta gets attempted 7 correct and 5 incorrect and few she didn't attempt.; So...
for 7 Correct answer we will get = 7×5= 35.
and, for 5 inCorrect answers = -10
few she didn't attempt are = 25
her score will be = 35+10+25=70
and she done correctly = 35 will be her score"!...
(b) here,given is that Rohita scored =30 Marks.
she got correct answers = 10 Marks.
Marks obtained for 10 correct answer = 5×10 = 50
Marks obtained for incorrect answer = (-2)
Therefore; number of incorrect answers = (-20) ÷ (-2) = 10
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