Answer to Question #173538 in Discrete Mathematics for ANJU JAYACHANDRAN

Question

7 b) From a survey of 120 people, the following data was obtained:

90 owned a car, 35 owned a computer, 40 owned a house, 32 owned a car and a

house, 21 owned a house and a computer, 26 owned a car and a computer, 17 owned

all the three facilities.

i) How many people owned neither of the three.

ii) How many people owned only a car?

iii) How many people owned only a computer?

Answer 1

I) 17

II) 49

III) 5