Question:Seven friend C,D,E,F,G,H & I who like different cities namely Surat, Kolkata, Bangalore, Mumbai, Delhi, Ranchi, Pune studies in 3 different schools DAS, RIS, VCS. Atleast 2 students study together. F studies with one who likes Bangalore in RIS. One who likes Delhi studies only with H. H does not like Bangalore. C studies with those who like Surat and Pune. C does not study with F. E studies only with one who likes Mumbai. One who likes Mumbai does not study with one who likes Delhi. More than one person study with D. D does not like Pune. Both I & one who likes Ranchi study in same school but not in DAS. H does not like Ranchi.