5. (3 points) There are two watches, A and B. Watch A is 2 minutes faster than Watch B per hour, and Watch B is 2 minutes slower than standard time per hour. Please determine whether Watch A is accurate. $\qquad$ . (Only fill in “Yes” or “No”)


5. (3 points) There are two watches, A and B. Watch A is 2 minutes faster than Watch B every hour, and Watch B is 2 minutes slower than standard time every hour. Please determine whether Watch A is accurate. $\qquad$ . (Only fill in “Yes” or “No”)

【Answer】Solution: Watch A should be inaccurate;
Because Watch B is 2 minutes slower than standard time every hour, it can be known that, if we first adjust both watches to be 2 minutes faster than standard time, after one hour, Watch B will be the same as standard time, but Watch A will be 2 minutes faster than standard time.

Therefore, the answer is: No.