In a test(+5) marks are given for every correct answer and (-2) are given for every in
correct answer. Pooja answered all the questions and scored (-12) marks thought
she has got 4 correct answer. How many incorrect answer she had attempted?
Answers
Answered by
4
Given
Every correct Answer = (+5) marks
Every incorrect Answer = (-2) marks
pooja Answered all questions.... got a (4) correct answers
And scored (-12) marks.
Explanation
let X be the incorrect Answers
(4 ) x (+5) + (x).(-2)= (-12)
20+(-2x)= (-12)
-2x=-12-20
X = -32/ -2
she had attempted 16 incorrect answers.
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