Step 1: Start Time Calculation
The car starts at 9:40 AM.
Step 2: Adding the Travel Time
The car takes 4 hours and 50 minutes to reach city Q. So, we need to add this travel time to the starting time of 9:40 AM. We break the time into two parts:
Add 4 hours to 9:40 AM:
\[ 9:40 \, {AM} + 4 \, {hours} = 13:40 \, {(or 1:40 PM)}. \] Add the remaining 50 minutes:
\[ 13:40 \, {(1:40 PM)} + 50 \, {minutes} = 14:30 \, {(or 2:30 PM)}. \] So, the correct arrival time is 14:30 Hours.