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9 questions · timed · auto-graded

MCQ 21 Mark
If the structure is painted on the surface everywhere, then the number of unit cubes having no face painted is
Image
  • A
    $0$
  • B
    1
  • C
    2
  • D
    11
Answer
If the structure is painted on the surface everywhere, then the number of unit cubes ‘ having no face painted is 1. (b)
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MCQ 31 Mark
The number of unit cubes to be added to make a cuboid of dimensions 4 unit × 4 unit × 2 unit is
Image
  • A
    11
  • B
    12
  • C
    13
  • D
    14
Answer
The number of unit cubes to be added to make a cuboid of dimensions 4 unit × 4 unit × 2 unit is 4 × 4 × 2 = 32 – 21 = 11 (a)
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MCQ 41 Mark
The number of unit cubes in the given structure is
Image
  • A
    13
  • B
    20
  • C
    21
  • D
    22
Answer
The number of unit cubes in the given structure is 21. $\text{(c)}$
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MCQ 51 Mark
An isometric sheet is made up of dots forming
  • A
    squares
  • B
    rectangles
  • C
    right-angled triangles
  • D
    equilateral triangles
Answer
An isometric sheet is made up of dots forming equilateral triangles. (d)
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MCQ 61 Mark
The number of cubes in the given structure is
Image
  • A
    12
  • B
    10
  • C
    9
  • D
    8
Answer
The number of cubes in the given structure is 12. (a)
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MCQ 71 Mark
A solid having 4 (plane) faces, 4 vertices and 6 edges is called a
  • A
    triangular prims
  • B
    rectangular prism
  • C
    triangular pyramid
  • D
    rectangular pyramid
Answer
A solid having 4 (plane) faces, 4 vertices and 6 edges is called rectangular pyramid. $\text{(c)}$
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MCQ 81 Mark
A square pyramid has
  • A
    4 vertices and 4 faces
  • B
    4 vertices and 5 faces
  • C
    5 vertices and 4 faces
  • D
    5 vertices and 5 faces
Answer
A square pyramid has 5 vertices and 5 faces. (d)
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MCQ 91 Mark
A triangular prism has
  • A
    4 vertices and 6 edges
  • B
    6 vertices and 9 edges
  • C
    6 vertices and 6 edges
  • D
    9 vertices and 6 edges
Answer
A triangular prism has 6 vertices and 9 edges. (b)
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MCQ - MATHS STD 7 Questions - Vidyadip