Question

8. A flea wants to jump from the bottom to the top of a staircase that has 10 steps. He can either jump 3 steps up or 4 steps down. What is the smallest number of jumps he must make?

Answer 1

8

Explanation:

3 + 3 + 3 - 4 - 4 + 3 + 3 + 3

It takes a minimum of 8 jumps to land exactly on the 10th step.