Plz help with the 14th question
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Answered by
1
Answer:
answer is b
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Answered by
0
Answer:
Option (a)(i)24 (ii)0 is correct
Step-by-step explanation:
Let the correct questions = x
Let the incorrect questions = y
So,
x+y = 15
(i) If correct questions = x = 9
So,
Incorrect answer = y = 15-x = 15-9 = 6
Score = 4(9)-2(6) = 36 - 12 = 24 marks
(ii) If correct questions = x = 5
So,
Incorrect answer = y = 15-x = 15-5 = 10
Score = 4(5)-2(10) = 20 - 20 = 0 marks
Hence, option (a) is correct
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