CAT Question Bank - Cubes and Cuboids



  • Number of Questions - 30
    Topic - Cubes and Cuboids
    Answer key available? - Yes
    Source - Curated Content



  • Q1) Several identical cuboids of dimensions 4cm x 3cm x 2cm are put together to form a large cube. What is the least possible volume of such a cube?



  • Q2) Find minimum distance to be travelled by the ant to reach diagonal point of cube with side = 6 units?



  • Q3) A cube is painted with blue color on its all six faces.If this cube is cut into 27 small cubes,and each of the 27 small cubes is cut into 64 small cubes, how many of the smallest cubes will have at least one face colored?



  • Q4) Several identical cuboids of dimensions 4cmx3cmx2cm are put together to form a large cube. What is the least possible volume of such a cube?



  • Q5) In how many different ways can the six faces of a cube be painted with six different colors?



  • Q6) Maximum number of pieces in which a cube can be cut by 17 cuts



  • Q7) A cube has all its 6 faces painted in six different color being red, blue, green, violet, yellow, black such that each face is painted with only one color. The cube is place on the table with the violet face touching the table top. The cube is cut into 60 identical pieces by making the least number of cuts as possible, where all the cuts are parallel to the faces of the cube. The least number of cuts are made parallel to the red face, while the maximum number of cuts are made parallel to the black face. Green and blue faces are opposite each other. Red face is not opposite to the violet face.

    How many small pieces have black color on their faces?
    How many small pieces have at least two different colors on the faces?
    How many small pieces have only one face painted?
    How many small pieces have no color on their faces?



  • Q8) Each face of a cube is to be painted with red, blue or yellow colour. In how many different ways the cube can be painted?



  • Q9) A cube has edges of length 1 cm and has a dot marked in the center of the top face. The cube is sitting on a flat table. The cube is rolled, without lifting or slipping, in one direction so that at least two of its vertices are always touching the table. The cube is rolled until the dot is again on the top face. The length, in centimeters, of the path traveled by the dot is
    a) π
    b) 2π
    c) (√2)π
    d) (√5)π
    e) (1 + √5)/2π



  • Q10) A cube of edge 8 cm is cut into identical and smaller cubes with edge 2 cm each. How many smaller cubes are possible ?



  • Q11) A cube has 7cm * 7cm * 7cm is kept in the corner of a room and painted in three different colours, each face in one colour. The cube cut into 343 smaller but identical cubes. How many smaller cubes have at the most two faces painted?



  • Q12) A cube has edge length 2. Suppose that we glue a cube of edge length 1 on top of the big cube so that one of its faces rests entirely on the top face of the larger cube. The percent increase in the surface area (sides, top, and bottom) from the original cube to the new solid formed is closest to:
    a) 10
    b) 15
    c) 17
    d) 21
    e) 25



  • Q13) In how many different ways can a cube be painted if each face has to be painted either red or blue?



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  • Q14) A cube has been cut into 150 smaller cubes of equal volume. What is the minimum number of straight cuts required to do this?



  • Q15) Two opposite faces of a cube are painted in blue, another pair of opposite faces are painted green and the remaining faces are painted in red. The cube is now cut into 210 smaller but identical pieces using minimum possible number of cuts. How many smaller pieces have exactly two colours on them?



  • Q16) A solid cube of side 1 cm is cut into two identical solid parts by a plane surface. The total surface area of both the solid parts is maximum possible. Two points are then selected on one of these solid parts. What is the maximum possible distance between these two points



  • Q17) What is the least possible number of cuts required to divide a cube into 34 identical pieces ?



  • Q18) A big cube is formed of 125 smaller cubes of which m are such that all their faces are coloured. If 60% of the area of the big cube is coloured, what is the maximum possible value of m


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