প্রশ্ন ও সমাধান

An artist is planning to exhibit his paintings in an auditorium. Seven paintings - F, G, H, J, R, S and U are to be exhibited, three in the south hall and four in the north hall. Four of the paintings - F, G, H, J are oil paintings and three - R, S and U are acrylic paintings. The artist will satisfy the following requirements insetting up the exhibit:Each hall will exhibit at most two acrylic paintings.G cannot be exhibited in the same hall as U.H cannot be exhibited in the same hall as R.If U and R are placed in the north hall, which of the following groups must be placed in the south hall?