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10 questions
A cylindrical box has ____ curved surface and ____ circular faces, which are identical.
A. One, One
B. One, two
C. two, one
D. two, two
All six faces of a cube are:
A. Identical
B. Different
C. Circular
D. Rectangular
A cuboid has ______ pairs of identical faces.
A. 2
B. 3
C. 4
D. 5
The area of a triangle with base b and altitude h is
(a) 1/2 bh
(b) bh
(c) 1/3 bh
(d) 1/4 bh
1 cm³ =
(a) 1000 mm³
(b) 100 mm³
(c) 10 mm³
(d) 1/1000 mm³
The total surface area of a cylinder of base radius r and height h is
(a) 2πr (r + h)
(b) πr (r + h)
(c) 2πrh
(d) 2πr²
The area of the figure is
(a) 77 cm²
(b) 154 cm²
(c) 38.5 cm²
(d) none of these
If the height of a cuboid becomes zero, it will take the shape of a
(a) cube
(b) parallelogram
(c) circle
(d) rectangle
8 persons can stay in a cubical room. Each person requires 27 m³ of air. The side of the cube is
(a) 6 m
(b) 4 m
(c) 3 m
(d) 2 m
The base area of a right circular cylinder is 16πcm³. Its height is 5 cm. Its curved surface area is
(a) 40π cm²
(b) 30π cm²
(c) 20π cm²
(d) 10π cm²
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