Algorithms, flow charts and bin packing

Algorithms, flow charts and bin packing Quiz

Spec 1.1–2 · Edexcel International A Level Maths: Quiz

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5 questions, one answer each

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1. In a list of 9 items, which position is the middle item?
- A. 4th
- B. 5th
- C. 6th
- D. 9th
2. In a list of 6 items, which position is the middle item?
- A. 3rd
- B. 3.5th
- C. 4th
- D. 5th
3. Items total 47 and the bins hold 10 each. What is the lower bound for the number of bins?
- A. 5
- B. 4
- C. 6
- D. 10
4. Capacity 10, items 6, 5, 4, 7, 3, 5 in this order. How many bins does first-fit use?
- A. 3
- B. 4
- C. 5
- D. 6
5. Set $x=1$ . Repeat: replace $x$ by $2x+1$ until $x>20$ , then print $x$ . What is printed?
- A. 15
- B. 20
- C. 63
- D. 31