Question

In: Advanced Math

Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C,...

Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F.

  1. How many hexadecimal strings of length twelve have five A’s and five B’s?
  1. How many hexadecimal strings of length twelve have at most three E’s?
  1. How many hexadecimal strings of length twelve have exactly three A’s and at least two B’s?

  1. How many hexadecimal strings of length twelve have exactly two A’s and exactly two B’s, so that the two B’s are sandwiched between the A’s? 00A0 B8B8 111A is an example of such string.

  1. How many hexadecimal strings of length twelve have six digits from the set 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and six digits from the set A, B, C, D, E, F? No repetition is allowed.

  1. How many hexadecimal strings of length twelve have four digits from the set 0, 1, 2, 3, 4, 5, four digits from the set 6, 7, 8, 9, A and four digits from the set B, C, D, E, F?

  1. How many hexadecimal strings of length twelve have at least three distinct digits?
  1. How many hexadecimal strings of length twelve, have the sum of all digits equal to 30? Allowed digits are 2, 3,..., 9

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Input Data Month 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Revenue $             -   $            -   $            -   $        -   $        -   $         -   $    2,500 $    2,875 $    3,306 $    3,802 $    4,373 $    5,028 $    5,783 $    6,650 $    7,648 $      8,795 $   10,114 $   11,631 $   13,376 $   15,382 $   17,689 $   20,343 $   23,394 $   26,903 Monthly Revenue Growth...
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