A buzzer(হর্ণ) 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?

1. A buzzer(হর্ণ) 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?

[DBBL Probationary Officer-2011 : 2011]

1. 4.05 AM

2. 5.30 AM

3. 7.15 AM

4. 8.10 AM

5. None of these

Answer

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