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

Question

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

Accepted Answer

সঠিক উত্তর: 7.0%। ব্যাখ্যা: