Learn to Code: Java for Absolute Beginners/

...

/

Quiz on Problem Solving with Simple Programs

Quiz on Problem Solving with Simple Programs

Test your knowledge of problem solving with simple programs.

We'll cover the following...
Technical Quiz
1.

Let’s start with a real-world problem:

  • We have 9 stones that are visually identical, but 1 of them is slightly heavier.
  • We have a beam balance to weigh and analyze the stones.

What is the most efficient way to definitively locate the heavier stone?

Note: A cycle refers to a round of events or actions that repeat.

A.

Measuring the stones in pairs, 1 on each side of the balance. Maximum 4 cycles.

B.

Measuring by putting 2 stones on each side of the balance. Maximum 3 cycles.

C.

Measuring by putting 3 stones on each side of the balance. Maximum 2 cycles.

D.

Measuring by putting 4 stones on each side of the balance. Maximum 3 cycles.

1 / 5