In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent were defective. For the two shipments combined what percent of the machine parts were defective?

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প্রশ্নঃ In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent were defective. For the two shipments combined what percent of the machine parts were defective?

  • ক. 6.5%
  • খ. 7%
  • গ. 7.5%
  • ঘ. 8.0%

সঠিক উত্তরঃ

7%
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Counting and Venn Diagram