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Aptitude - Aptitude-Time and works

A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together?

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daily news digest:01 december 2020

Government launches honey fpo programme in 5 statesunion minister of agriculture and farmers'

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topic of the day

Ancient history indian stone age : old stone age, palaeolithic age (5,00,000−10,000

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this day in history

1 - december: world aids day it is an international day dedicated to raising awareness of the

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explained: day of remembrance for

Explained: day of remembrance for all victims of chemical warfare context day of remembrance

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