প্রশ্ন সংশোধন করুন
প্রশ্ন:
A buzzer sounds every 15 minutes. If the buzzer sounded at 12:40 pm, which of the following could be a time at which the buzzer had sounded before?
A buzzer sounds every 15 minutes. If the buzzer sounded at 12:40 pm, which of the following could be a time at which the buzzer had sounded before?