A and B can complete a work in 10 and 15 days respectively. They started working together, but A left 2 days before the completion of the work. In how many days was the whole work completed?
Options:
- A: 6.4 days
- B: 7 days
- C: 7.2 days
- D: 8 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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