Number of students who like coffee and smoking but not tea is :
Refer to the data below and answer the question that follow.In a Survey among students at all the IIMs, it was found that 48% preferred coffee, 54% liked tea and 64% smoked. Of the total, 28% liked coffee and tea, 32# smoked and drank tea and 30% smoked and drank coffee. Only 6% did none of these. If the total number of tudents is 2000 then find:
