Question

in an examination 55%candidates failed in English and 45%failed in science if 15%failed in both English and science find the percentage of those who passed in both the subject​

Answer 1

Answer:

30 percent passed in both subjects

Answer 2

Answer:

15%

Step-by-step explanation:

Candidates who failed in English only = 55-15 = 40

Candidates who failed in Science only = 45-15 = 30

Candidates who passed in one or both subjects = 40 + 30 + 15 = 85%

Candidates who passed in both subject = 100-85 = 15