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Practice each question, then open the answer or worked solution.
The three steps from solids to points are:
(A) Solids – surfaces – lines – points
(B) Solids – lines – surfaces – points
(C) Lines – points – surfaces – solids
(D) Lines – surfaces – points – solids
(A) Solids – surfaces – lines – points
Explanation:
The three steps from solids to point are solids-surfaces-lines-points.
Hence, option (A) is the correct answer.
The number of dimensions, a solid has:
(A) 1
(B) 2
(C) 3
(D) 0
(C) 3
Explanation:
The number of dimensions, a solid has is 3.
Hence, option (C) is the correct answer.
The number of dimensions, a surface has:
(A) 1
(B) 2
(C) 3
(D) 0
(B) 2
Explanation:
The number of dimensions, a surface has is 2.
Hence, option (B) is the correct answer.
The number of dimension, a point has:
(A) 0
(B) 1
(C) 2
(D) 3
(A) 0
Explanation:
The number of dimension, a point has is 0.
Hence, option (A) is the correct answer.
Euclid divided his famous treatise “The Elements” into:
(A) 13 chapters
(B) 12 chapters
(C) 11 chapters
(D) 9 chapters
(A) 13 chapters
Explanation:
Euclid divided his famous treatise “The Elements” into 13 chapters.
Hence, option (A) is the correct answer.
The total number of propositions in the Elements are:
(A) 465
(B) 460
(C) 13
(D) 55
(A) 465
Explanation:
Proportions or theorems are the statements that can be proved. Euclid deduced 465 proportions in a logical chain using his axioms, postulates, definitions and theorems.
Hence, option (A) is the correct answer.
Boundaries of solids are:
(A) Surfaces
(B) Curves
(C) Lines
(D) Points
(A) Surfaces
Explanation:
The boundaries of solids are surfaces.
Hence, option (A) is the correct answer.
Boundaries of surfaces are:
(A) Surfaces
(B) Curves
(C) Lines
(D) Points
(B) Curves
Explanation:
The boundaries of surfaces are curves.
Hence, option (B) is the correct answer.
In Indus Valley Civilisation (about 3000 B.C.), the bricks used for construction work were having dimensions in the ratio
(A) 1 : 3 : 4
(B) 4 : 2 : 1
(C) 4 : 4 : 1
(D) 4 : 3 : 2
(B) 4 : 2 : 1
Explanation:
In Indus Valley Civilisation (about 3000 B.C.), the bricks used for construction work were having dimensions in the ratio,
Length: breadth: thickness = 4:2:1
Hence, option (B) is the correct answer.
A pyramid is a solid figure, the base of which is
(D) Any polygon
Explanation:
A pyramid is solid figure, the base of which can be a triangle, a square or some other polygon.
Hence, option (D) is the correct answer.