In a set of 12 question, 4 marks are awarded for every correct answer and 2 marks are deducted for every wrong answer. smriti gave 5 correct and 7 wrong answer. what is her score??
with solution..
Answers
Answered by
5
Total questions =12
Marks for each correct answer = 4
Marks for each wrong answer= -2
Smriti answered
Correct= 5
Marks she obtained for correct=5×Marks for 1 correct
=5×4
=20
Wrong answer = 7
Marks for 7 wrong answer = 7× Marks for wrong answer
= 7×-2
=-14
Total marks scored by Smriti = marks for 5 Correct Answer + Marks for 7 wrong answers
=20+(-14)
=20-14
=6
So, Smriti's score = 6 marks
Marks for each correct answer = 4
Marks for each wrong answer= -2
Smriti answered
Correct= 5
Marks she obtained for correct=5×Marks for 1 correct
=5×4
=20
Wrong answer = 7
Marks for 7 wrong answer = 7× Marks for wrong answer
= 7×-2
=-14
Total marks scored by Smriti = marks for 5 Correct Answer + Marks for 7 wrong answers
=20+(-14)
=20-14
=6
So, Smriti's score = 6 marks
riya28876:
nice answer
thanks :D
Answered by
2
Answer:
Step-by-step explanation:
score for 5 correct answers = 4 × 5 = 20
score deducted = 7 × 2 = 14
smrithi's score = 20 - 14 = 6
sry for the late answer.
didnt notice that its been already solved.
Similar questions