an author started writing a book in between 2p.m to 3p.m. He wrote exactly for 4 hrs and finished so
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an author started writing a book in between 2p.m to 3p.m. He wrote exactly for 4 hrs and finished somewhere in between 6p.m to 7p.m. he found that by that time the hands of the clock interchanged their positions from the time he started writing. at time exactly did he start and finished writing | |||||||||||||
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