Subject
Bank Exam
Topic
Mutual Trust Bank Ltd. - Management Trainee - 2017
In a shipment of 120 machine parts. 5% were defective. In a shipment of 80 machine parts, 10% were defective. For the two shipments combined, what percent of the machine parts were defective ?
In a shipment of 120 machine parts. 5% were defective. In a shipment of 80 machine parts, 10% were defective. For the two shipments combined, what percent of the machine parts were defective ?
ক)
6.5%খ)
7.0%গ)
7.5%ঘ)
8.5%Explanation
Solution: প্রশ্নে বলা হচ্ছে, 120 টি মেশিন যন্ত্রাংশের মধ্যে 5% defective এবং 80 টি মেশিন যন্ত্রাংশের মধ্যে 10% defective তাহলে মোট যন্ত্রাংশের মধ্যে কত শতাংশ Defective যন্ত্রাংশ রয়েছে ? 120 টি মেশিন Defective রয়েছে = 120 5% = = 6 টি 80 টি মেশিন Defective রয়েছে = 80 10% = = 8 টি Defective মেশিনের শতকরা পরিমাণ = = 7%Related questions
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