Of the 200 candidates who were interviewed for a position at a call center, 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 and 60 had both, a two wheeler & mobile phone and 10 had all three. How many candidates had none of the three?
Word Problems on Set Theory:
Saptarshi Chowdhury Asked question