Question

John knocked on the door as the doorbell was not working. But his mother could not hear the knock and hence did not open the door for him. Next time, he knocked on the door with great energy. Now his mother heard the knock and opened the door for John. Explain the reason for John’s mother hearing the knock the second time and not the first time.
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Answer 1

In this story mentioned that the doorbell was not working.Because in the first time he knocked the door as doorbell but in the second time he knocked the door with great energy.so the his mother heard the knock and opened the door for John.