Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?
F1,F2,F3,E4,E5,E6 Lift glass F2 and empty in glass E5 You will get alternative glasses filled and empty. F1,E2,F3,E4,F5,E6
EXCHANGE THE POSITION OF MIDDLE FILLED GLASS WITH THE MIDDLE EMPTY GLASS
6 boys and 7 girls are available for a counselling. In how many ways, we can arrange them in a row, if middlest one is a boy and girls are sat on both the corners?
There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?
