Fermat 2023 Part B - Question 18, CEMC UWaterloo
Best Submissions
Difficulty: 5
This problem is tagged with fermat, fermat23, highschool.
(Fermat 2023, Part B, Question 18, CEMC - UWaterloo)
A robotic grasshopper jumps $1$ cm to the east, then $2$ cm to the north, then $3$ cm to the west, then $4$ cm to the south. After every fourth jump, the grasshopper restarts the sequence of jumps: $1$ cm to the east, then $2$ cm to the north, then $3$ cm to the west, then $4$ cm to the south. After a total of $n$ jumps, the position of the grasshopper is $162$ cm to the west and $158$ cm to the south of its original position. The sum of
the squares of the digits of $n$ is
$(A)$ $22$
$(B)$ $29$
$(C)$ $17$
$(D)$ $14$
$(E)$ $13$
Answer Submission Note(s)
Your answer should be a single capital letter, e.g. 'A'.
You should report content if:
- It may be offensive.
- There is something wrong with it (statement or difficulty value)
- It isn't original.