## UGC NET 2018 :

A survey has been conducted on methods of commuter travel. Each respondent was asked to check Bus, Train or Automobile as a major method of travelling to work. More than one answer was permitted.

The results reported were as follows:

Bus 30 people;

Train 35 people;

Automobile 100 people;

Bus and Train 15 people;

Bus and Automobile 15 people,

Train and Automobile 20 people;

and all the tree methods 5 people.

How many people completed the survey form?

(a) 115

(b) 120

(c) 165

(d) 160

**Solution:**

5+15+5+10+70+10+5 = 120