Suppose that a country has no public debt in year 1 but experiences a budget deficit of $40 billion in year 2, a budget deficit of $20 billion in year 3, a budget surplus of $10 billion in year 4, and a budget deficit of $2 billion in year 5. What is the absolute size of its public debt in year 5? Instructions: Enter a value for the surplus or deficit as a whole number. Do not include a plus or minus sign. 24 billion If its real GDP in year 5 is $104 billion, what is this country's public debt as a percentage of real GDP in year 5?
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.
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