3)A person left home between 4 pm and 5 pm returned between 5pm and 6pm and found that the hands of his watch had exactly exchanged places. When did he go out?
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A person left their home at between 4&5
Then he againg left their home at 5 to 6 pm
Take out the lcm of 4&5 is =20
& lcm of 5&6 is =30 then add it
It will give u =30+20
=50 ans
Then he againg left their home at 5 to 6 pm
Take out the lcm of 4&5 is =20
& lcm of 5&6 is =30 then add it
It will give u =30+20
=50 ans
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