UCEED 2019
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Q24.In a 3D structure made of cubes of equal size, an L shaped hole is made by removing a few cubes, as shown on the left. Which of the 3D structures in the options on the right would successfully pass through the L shaped hole, given that they are also made of cubes of same size?
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Q26.The figure shows four road networks. Which of these four road networks can be traversed by a traveller, such that the following challenge can be satisfied: 'The traveller must cover all the roads in the network. She is allowed to visit a city more than once, but she is not allowed to travel on any road more than once. Also, the traveller must come back to the city where she starts.'