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#28884 Bangla Language & Literature Pipe and Tank Level 0

What is the thikness of a pipe that has an outer diameter of 2.5 inches and inner diameter of 2.1 inches?

  1. A 0.2 inches
  2. B 0.3 inches
  3. C 0.4 inches
  4. D 2.3 inches
Answer: A - 0.2 inches

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