Question

In an examination 30 % of the candidate failed ib ENGLISH,and 35% failed in G.K ,and 27% failed in both the subjects. If 310 candidates passed in both,how many candidates appeared in the examination?

Answer 1

Answer:

In an examination 30 % of the candidate failed ib ENGLISH,and 35% failed in G.K ,and 27% failed in both the subjects. If 310 candidates passed in both,how many candidates appeared in the examination?

Step-by-step explanation:

In an examination 30 % of the candidate failed ib ENGLISH,and 35% failed in G.K ,and 27% failed in both the subjects. If 310 candidates passed in both,how many candidates appeared in the examination? I I don't know this I can't understand this question I am really sorry