Q: Which of the following statements about the fundamental principle of counting are correct?
(A) The fundamental principle of counting states that if one task can be done in m ways and another in n ways, then both in sequence can be done in m Γ n ways;
(B) The addition rule of counting applies when events are mutually exclusive;
(C) The multiplication rule always applies, even when choices are not independent;
(D) In some aptitude problems, it is possible to solve counting questions without explicitly using permutations or combinations;
(E) Counting principles are not a part of UGC NET mathematical reasoning and aptitude;
Choose the correct answer from the options given below:
Q: Which of the following statements about ordering and ranking questions are correct?
(A) Ordering and ranking problems may involve arranging persons by height, marks, or some other criterion;
(B) Positions from the top and bottom in a linear arrangement can be used together to find the total number of persons;
(C) If a person is 5th from the top and 10th from the bottom in a line, the total number of persons is always 10;
(D) Sometimes, relative rankings of different people in different subjects must be combined to draw conclusions;
(E) In UGC NET, ordering and ranking questions are never asked under mathematical reasoning and aptitude;
Choose the correct answer from the options given below:
Q: Which of the following statements about non-verbal reasoning and figure series questions are correct?
(A) Non-verbal reasoning questions may involve series of geometric figures with changes in shape, shading or rotation;
(B) To solve figure series, identifying the transformation from one figure to the next is crucial;
(C) In all non-verbal reasoning questions, only one type of change, such as rotation, is ever used;
(D) Mirror-image and water-image questions are examples of non-verbal reasoning items;
(E) Non-verbal reasoning questions may appear under mathematical reasoning and aptitude in UGC NET;
Choose the correct answer from the options given below:

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