In an examination 35% students failed in Hindi, 45% students failed in English and 2

In an examination 35% of total students failed n Hindi,45% failed in English and 20% in both.Find the percentage of those who passed in both the subjects.

In an examination, 49% students failed in English, 36% students failed in Hindi, while 15% failed in both. If total number of passed students is 450, then how many students did appear in the examination?

In an examination, 52% students failed in Hindi and 42% failed in English. If 17% failed in both the subjects, what percentage of students passed in both the subjects ?

In an examination, 42% students failed in Hindi and 52% failed in English. If 17% failed in both the subjects, the percentage of those who passed in both the subjects, is