Question

1
c) in an examination, 2500 candidates appeared. Out of these, 1200 were boys and the
rest were girls. If 12% of boys and 8% of girls failed, then find the total percentage of
candidates who passed the examination.​

Answer 1

Answer:

\begin{gathered}Please \: Mark \: Me \: As \: BRAINLIEST. \\ .................................................. \\ Also \: Don't \: Forgot \: to \: Follow \: me. \\ .............. \\ As \: we \: know \: about \: Percentage. \\ So, \\ Hello \: Guys, \\ ................ \\ Answer \: is\end{gathered}PleaseMarkMeAsBRAINLIEST...................................................AlsoDon′tForgottoFollowme...............AsweknowaboutPercentage.So,HelloGuys,................Answeris

\begin{gathered}Total \: number \: of \: student = 2500 \\ No. \: of \: Girls = 1100 \\ No. \: of \: Boys = 2500 - 1100 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 1400 \\ \\ No. \: of \: Boys \: passed = \frac{1400 \times 50}{100} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 700 \\ No. \: of \: Girls \: passed = \frac{1100 \times 40}{100} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 440 \\ \\ Total \: no. \: of \: Students \: passed = 700 + 440 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 1140 \\ Total \: no. \: of \: Students \: failed = 2500 - 1140 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 1360 \\ \% \: of \: Student \: failed = \frac{1360}{2500} \times 100\% \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{272}{5} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 54.4 \\ \\ Ans. \: 54.4\%\end{gathered}Totalnumberofstudent=2500No.ofGirls=1100No.ofBoys=2500−1100=1400No.ofBoyspassed=1001400×50=700No.ofGirlspassed=1001100×40=440Totalno.ofStudentspassed=700+440=1140Totalno.ofStudentsfailed=2500−1140=1360%ofStudentfailed=25001360×100%=5272=54.4Ans.54.4%