23. In a class test containing 15 questions, 4 marks are given for every correct answer and (-2) marks
are given for every incorrect answer.
() Gurpreet attempts all questions but only 9 of her answers are correct. What is her total score?
(ii) One of her friends gets only 20 marky attempting 7 questions. Find number of incorrect :
answers attempted by her.
(iii) What you will do to get good marks?
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Answer:
15*4=60is the total marks
Gurpreet score =9*4=36-6*2=12
36-12=24 marks
her friend attempt4/20=5 questions
10 questions are incorrect
I will attempt all the questions and write correct to get good marks
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