Question

In a test, 80% of the students in Science passed 80% in Mathematics and a total of 160 students passed both the subjects. If no one has failed in both the subjects, what is the total number of candidates?

Answer 1

ANSWER

ANSWERStudent Passed in English =80%

ANSWERStudent Passed in English =80%Students failed in English=100%−80%=20%

ANSWERStudent Passed in English =80%Students failed in English=100%−80%=20%Students passed in Maths =70%

ANSWERStudent Passed in English =80%Students failed in English=100%−80%=20%Students passed in Maths =70% Students failed in Maths =100%−70%=30%

ANSWERStudent Passed in English =80%Students failed in English=100%−80%=20%Students passed in Maths =70% Students failed in Maths =100%−70%=30%Students failed in both =10%

ANSWERStudent Passed in English =80%Students failed in English=100%−80%=20%Students passed in Maths =70% Students failed in Maths =100%−70%=30%Students failed in both =10%Total failed students = Failed in English + failed in Math − Common

ANSWERStudent Passed in English =80%Students failed in English=100%−80%=20%Students passed in Maths =70% Students failed in Maths =100%−70%=30%Students failed in both =10%Total failed students = Failed in English + failed in Math − CommonTotal fail students =

ANSWERStudent Passed in English =80%Students failed in English=100%−80%=20%Students passed in Maths =70% Students failed in Maths =100%−70%=30%Students failed in both =10%Total failed students = Failed in English + failed in Math − CommonTotal fail students =