Exercise: Series

Questions for: Series

Select a figure from amongst the Answer Figures which will continue the same series as established by the five Problem Figures.

Problem Figures:                          Answer Figures:
  (A)     (B)     (C)     (D)     (E)       (1)     (2)     (3)     (4)     (5)
A:
1
B:
2
C:
3
D:
4
Answer: D
A new feature is added at each step (in a set order).
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Select a figure from amongst the Answer Figures which will continue the same series as established by the five Problem Figures.

Problem Figures:                          Answer Figures:
  (A)     (B)     (C)     (D)     (E)       (1)     (2)     (3)     (4)     (5)
A:
1
B:
2
C:
3
D:
4
Answer: A
In each step, one line disappears from the upper part of the figure and one line is added to the lower part of the figure.
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Select a figure from amongst the Answer Figures which will continue the same series as established by the five Problem Figures.

Problem Figures:                          Answer Figures:
  (A)     (B)     (C)     (D)     (E)       (1)     (2)     (3)     (4)     (5)
A:
1
B:
2
C:
3
D:
4
Answer: D
We shall assign numbers to the pins as : . Then, in each step, the pins at positions 1,3 and 5 rotate 90oCW while the pins at positions 2,4 and 6 rotate 90oACW. Also, in each step, a new pin is added to the figure and its orientations are the same as that of the pin in fig. (A).
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Select a figure from amongst the Answer Figures which will continue the same series as established by the five Problem Figures.

Problem Figures:                          Answer Figures:
  (A)     (B)     (C)     (D)     (E)       (1)     (2)     (3)     (4)     (5)
A:
1
B:
2
C:
3
D:
4
Answer: A
Similar figure appears in every second step and each time a figure reappears, it rotates 90oCW.
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Select a figure from amongst the Answer Figures which will continue the same series as established by the five Problem Figures.

Problem Figures:                          Answer Figures:
  (A)     (B)     (C)     (D)     (E)       (1)     (2)     (3)     (4)     (5)
A:
1
B:
2
C:
3
D:
4
Answer: E
In the first step, the elements interchange positions in the sequence . In each subsequent step, the elements move in the sequence obtained by rotating the previous sequence through 90oCW. Also, in each step, the element that reaches the encircled position gets replaced by a new element.
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