Question

in a class test each correct answer get 5 marks and each wrong answer get (_2) marks anuja answered all the question and scored (_12) marks if she answered 4 question correctly find the number of question whose answer were wrong​

Answer 1

Answer:

4 answers were wrong

Step-by-step explanation:

Marks on correct answer= 5

Marks on wrong answers= -2

Marks she scored= 12

No. of questions she answered correctly= 4

So, no. of marks she would have got for correctly answered questions=4x5=20

So, 20-12 = 8

So no. of questions she got wrong= 8/2=4

hope it is helpful

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Answer 2

Ans: step by step explanation:

for one wrong question -2 marks are deducted and she got total -12 marks deducted

so here we can suppose x as a number of questions she got wrong and one wrong question consists of -2 marks therefore

-2x=-12

x=-12/-2

x=6

x is the number of wrong question so he got 6 questions wrong

hope it helps