5.
(90)2 – (19)- = ?
a) 7397
b) 7739
c) 7937
d) 3977
Answers
Answer:
In a test +4 marks for correct answer and (-2) marks for incorrect answers ishaan answered all 30 questions oit of which 25 answers were incorrect.What was ishaan's total score?
Step-by-step explanation:
In a test +4 marks for correct answer and (-2) marks for incorrect answers ishaan answered all 30 questions oit of which 25 answers were incorrect.What was ishaan's total score?In a test +4 marks for correct answer and (-2) marks for incorrect answers ishaan answered all 30 questions oit of which 25 answers were incorrect.What was ishaan's total score?In a test +4 marks for correct answer and (-2) marks for incorrect answers ishaan answered all 30 questions oit of which 25 answers were incorrect.What was ishaan's total score?In a test +4 marks for correct answer and (-2) marks for incorrect answers ishaan answered all 30 questions oit of which 25 answers were incorrect.What was ishaan's total score?