40 men can complete a piece of work in 30 days. They start work together and after every 10 days, 5 men leave the work. In how many days will the work be completed?
Options:
- A: 35 days
- B: 36 days
- C: 40 days
- D: 42.5 days
Related Practice Questions:
- Why is copper considered highly pure and extensively used in religious rituals by Hindus today according to the historical context of natural resources?
- Which of the following regions is described by R.S. Sharma as "the most coveted and contested area" fought over by important ruling powers in northern India?
- Paper currency was not used in ancient India. In which century was paper currency finally introduced to India?
- The earliest agricultural settlements and states in ancient northern India were founded along the Himalayan foothills (the "terai" route) during which period?
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