pradeer vattenpted 9 of the total no 0%questions in an examination. If

1.	pradeer vattenpted 9 of the total no 0%questions in an examination. If of theanswers were wrong, what praction of theattempted questions did he aroweredcorrectly?
Answer» let total questions=Xattempted=9X/10 wrong answers=(9X/10)×(3/8)=27X/80 right answers=(9X/10)-(27X/80)=(72X-27X)/80=45X/80=9X/16. he attempted 9/16 right questions.

pradeer vattenpted 9 of the total no 0%questions in an examination. If of theanswers were wrong, what praction of theattempted questions did he aroweredcorrectly?

Answer»

let total questions=Xattempted=9X/10

wrong answers=(9X/10)×(3/8)=27X/80

right answers=(9X/10)-(27X/80)=(72X-27X)/80=45X/80=9X/16. he attempted 9/16 right questions.