Question

9. Out of 200 candidates who were interviewed for a position at call centre, 100 had a two wheeler, 70 had a credit
card and 140 had a mobile phone, 40 of them had both a two-wheeler and a credit card, 30 had both a credit card
and a mobile phone, 60 had both a two-wheeler and a mobile phone, and 10 had all three. How many candidates
had none of the three?
a. 15
b. 10
c. 20
d. None of these​

Answer 1

Option D is the correct answer