In a survey of 100 students, the number of students studying the various languages was found to be: English only 18, English but not Hindi 23, English and Sanskrit 8, English 26, Sanskrit 48, Sanskrit and Hindi 8, no language 24. Find:
How many students were studying English and Hindi?
From q1 we have n(E ∩ H) = 3
∴ 3 students study both hindi and English.