How many ways are there to choose 10 coins from a piggy bank containing 100 identical pennies and 80 identical nickels? [BLANK-1]

Consider people with three-letter initials. What are the number of choices for the first-, second-, and third-letter initials, if none of the letters are repeated?

List all the permutations of {a, b, c}. [BLANK-1]

The hexadecimal notation of (0110 0110 0110 0110)2 is [BLANK-1]

Consider all bit strings of length six or less. Identify the formula to calculate the number of bit strings of length six or less, not counting the empty string.

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Find the solution to the recurrence relation by using an iterative approach. The recurrence relation an = an – 1 + 3 with the initial condition a0 = 1

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Determine whether ¬(¬p) and p are logically equivalent or not by selecting the correct truth table.

The statement is related to inhabitants of the island of knights and knaves created by Smullyan, where knights always tell the truth and knaves always lie. You encounter two people, A and B. Determine what A and B are if they address you as: A says “The two of us are both knights” and B says “A is a knave.”