Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
Different sets of numbers and the correct placement of
![Which Venn diagram shows the correct relationship among different sets of numbers and the
correct placement of -523? (6.2A, SS, RCI)
Whole
Numbers
Integers
-523
Integers
Whole
Numbers
-523
Rational Numbers
Rational Numbers
Whole
Integers
Numbers
523
Whole
Numbers
Integers
-523
Rational Numbers
Rational Numbers
A,
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