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Q: A man is twice as fast as a woman and a woman is twice as fast as a boy. If all of them i.e. A man, a woman and a boy can finish a work together in 4 days. In how many days will a boy do it alone?
  • A. 28 दिन
  • B. 21 दिन
  • C. 14 दिन
  • D. 7 दिन
Correct Answer: Option A -
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Explanations:

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