Hel m 1. What is the first step using Binary Search to look for the number 17 in this list:

[15, 42, 73, 24, 10, 17, 16, 25, 32, 53, 45, 27, 51, 99, 75]

A Compare the number 25 to the given number.

B Compare the number 24 to the given number

C order the list

D Compare the number 27 to the given number

2. What is the third step using Binary Search to look for the number 32 in this ORDERED list:

[1, 2, 3, 4, 10, 11, 16, 25, 32, 33, 45, 47, 51, 69, 75]

A Compare the number 25 to the given number.

B Compare the number 4 to the given number

C Compare the number 33 to the given number

D Compare the number 47 to the given number

3. Which of the following is true of two algorithms designed to solve the same problem?

A If two algorithms solve the same problem they must have the same efficiency

B If two algorithms solve the same problem they must have different efficiency

C For any given problem there is a single algorithm that can solve it with a single efficiency

D It is possible for two algorithms with different efficiencies to solve the same problem