Total 190 people attended a marriage ceremony in which 122 people ate palak paneer, 93 people ate dosa and 75 people ate biryani, if 37 people ate both biryani and palak paneer, 38 people ate both dosa and biryani, 45 people ate both dosa and palak paneer and 20 people ate all the three dishes. How many persons ate only one dish?
1
40
2
110
3
60
4
90