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Bebras 2022 - Level 2 Question 5

BEBRAS · Bebras 2022 - Level 2

Question 5

A beaver designs a ball-collecting robot using the following steps:

Question illustration

The diagram reads: Start → Wait for a ball to fall onto the floor → Go to the ball → Pick up the ball → Go to the basket → Put the ball in the basket → Wait for a ball to fall onto the floor.

During a test, the robot goes to the ball and picks it up, but then does not move. Which step is faulty?
  1. Wait for a ball to fall onto the floor.
  2. Go to the ball.
  3. Pick up the ball.
  4. Go to the basket.