Question

in a survey of 100 people,60 like farming and 65 like civil service.Draw a venn -diagram and find the number of people who like farming as well as civil service​

Answer 1

Answer:

n(A U B) = n(A) + n(B) - n( A n B)

100 = 60 + 65 - n(A n B)

n(A n B) = 60 + 65 - 100 = 25 Ans

Answer 2

Step-by-step explanation:

in survey of 100 to people60 lakh farming and 65 like civil service drop and diagram and find the number of people like farming as well as civil service also fine how many people like only civil service