Duration: 7:15

8 views

0

In a certain test there are \( n \) question. In this test \( 2^{n-k} \) students gave wrong answers to at least math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymi mathvariant=normalk/mi/math questions, where \( \mathrm{k}=1,2, \ldots \ldots, \mathrm{n} \). if the total number of wrong answers given is math xmlns=http://www.w3.org/1998/Math/MathMLmn2047/mn/math, then \( n \) equals
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live