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1. 200Cm3

  • A. 40 cm (Hg)
  • B. 40 cm (Hg)
  • C. 40 cm (Hg)
  • D. 40 cm (Hg)

Answer: Option D

Explanation:

PV = p1v1 + p2v2

বা, P = {(30×200)+(40×300)}/400 = 45 cm(Hg)

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