0 votes 0 votes In a certain examination paper, there are n questions. For $j=1, 2, \dots,n,$ there are $2^{n-i}$ students who answered $j$ or more questions wrongly. If the total number of wrong answer is $4095,$ then the value of $n$ is $12$ $11$ $10$ $9$ Quantitative Aptitude cat2003-1 quantitative-aptitude number-systems + – go_editor asked Feb 10, 2016 • edited Apr 2, 2022 by Lakshman Bhaiya go_editor 13.9k points 364 views answer comment Share See all 0 reply Please log in or register to add a comment.