【 Answer 】 B [ Resolution ] Assuming that the volume of the small white square block is 1, then the volumes in the gray, black and the large block would be 5, 3 and 27 respectively. As we can see from the picture, the large block has 2 gray and black blocks, so there are a...
A cube of wood supporting 200gm mass just floats in water. When the mass is removed, the cube ruses by 2cm. What is the size of the cube? View Solution A cube of wood supporting 200 g mass just floats in water. When the mass is removed, the cube rises by 1 cm, the linear dimes...
20. A wooden cube with edge length n units is painted red on all six faces and then cut into n unit cubes. Exactly one-fourth of the total number of the faces of the unit cubes are red. What is the value of n? ( )(A)3(B)4(C)5(D)6 相关知识点: 试题来源: 解析 20. ...
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39. Mrs Tan conducted an experiment using a torch, a wooden cube and a white screen as shown in the diagram.wooden torch cube年white4cm screen distance X She moved the wooden cube to find out its effect on the size of the shadow formed on the screen. Her findings are recorded in the...
I love the beautiful design of the puzzles. The metal cube provides really satisfying challenge, and the multi-step lock puzzle adds an extra layer of complexity that many people in my family would enjoy - this would make a great gift for anyone who loves a good brain teaser puzzles. ...
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