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Direction
In each of the following questions, group the given figures into three classes using each figure only once. -
1. | |
A. |
1,4 ; 2,3 ; 5,6 |
B. |
1,5 ; 2,6 ; 4,3 |
C. |
1,6 ; 2,3 ; 4,5 |
D. |
1,2 ; 3,6 ; 4,5 |
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Answer:Option
Explanation: (1, 4), (2, 3) and (5, 6) are three different pairs of identical figures.
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2. | |
A. |
1,3,9 ; 2,5,6 ; 4,7,8 |
B. |
1,3,9 ; 2,7,8 ; 4,5,6 |
C. |
1,2,4 ; 3,5,7 ; 6,8,9 |
D. |
1,3,6 ; 2,4,8 ; 5,7,9 |
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Answer: Option A
Explanation: 1, 3, 9 have one element placed inside a different element. 2, 5, 6 contain two mutually perpendicular lines dividing the figure into four parts. 4, 7, 8 have two similar elements (unequal in size) attached to each other.
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3. | |
A. |
7,8,9 ; 2,4,3 ; 1,5,6 |
B. |
1,3,2 ; 4,5,7 ; 6,8,9 |
C. |
1,6,8 ; 3,4,7 ; 2,5,9 |
D. |
1,6,9 ; 3,4,7 ; 2,5,8 |
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Answer: Option D
Explanation: 1, 6, 9, are all triangles. 3, 4, 7 are all four-sided figures. 2, 5, 8 are all five-sided figures.
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4. | |
A. |
1,2,3 ; 4,5,6 ; 7,8,9 |
B. |
1,3,5 ; 2,4,6 ; 7,8,9 |
C. |
1,5,9 ; 3,6,2 ; 4,7,8 |
D. |
1,9,7 ; 2,8,5 ; 3,4,6 |
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Answer: Option A
Explanation: 1, 2, 3 are figures composed of two straight lines. 4, 5, 6 are figures composed of three straight lines. 7, 8, 9 are figures composed of four straight lines.
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5. | |
A. |
1,4,7 ; 2,5,8 ; 3,6,9 |
B. |
1,4,7 ; 2,5,9 ; 3,6,7 |
C. |
1,3,4 ; 2,5,8 ; 6,7,9 |
D. |
1,2,3 ; 4,5,6 ; 7,8,9 |
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Answer: Option A
Explanation: 1, 4, 7 are all (two-dimensional) quadrilaterals. 2, 5, 8 are all three-dimensional figures. 3, 6, 9 are all (two-dimensional) triangles.
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