Math, asked by Tvisha24, 8 months ago

Plz help with the 14th question

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Answers

Answered by harsh32565
1

Answer:

answer is b

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Answered by Kartikempire
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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