Math, asked by mharshavardhanreddy2, 6 months ago

13. There are 180 multiple choice questions in a test. A candidate gets 4 marks for every
correct answer, and for every un-attempted or wrongly answered questions one mark is
deducted from the total score of correct answers. Ifa candidate scored 450 marks in the
test how many questions did he answer correctly?

Answers

Answered by Anonymous
11

Answer:

There are 180 multiple choice questions in a test. A candidate gets 4 marks for every

correct answer, and for every un-attempted or wrongly answered questions one mark is

deducted from the total score of correct answers. Ifa candidate scored 450 marks in the

test how many questions did he answer correctly?

Step-by-step explanation:

...........

Answered by vimalkumarvishwakarm
2

Answer:

Therefore, 128 questions are answered correct.

Step-by-step explanation:

Let the number of correctly answered questions be x.

Let the wrongly answered questions be y.

Then,according to the question,

x+y=180 and 4x−y=450

Adding these two equations,

x+y+4x−y=450+180

5x=630

x=126

From the above equation,

126+y=180

y=54

Therefore, 126 questions are answered correctly

Similar questions