5.
In a class test containing 20 questions, 2 marks are given for every correct answer and (-1)
marks are given for every incorrect answer. Sonam attempts all questions but only 13 of her
answers are correct. What is her total score? 20
Answers
Answered by
2
Answer:5 *2 +15*-1
10+-15
-5 scored
13*2+7*-1
26+-7
13
plz mark me
Answered by
2
Answer:
19 marks
Step-by-step explanation:
Marks given for correct answers=2
Marks for an incorrect answer=-1
No. Of correct answers=13
Marks obtained by Sonam=
13(2)+(20-13)(-1)
=26+(7)(-1)
=26-7=19
Similar questions