A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?

A 50 units
B 60 units
C 70 units
D 80 units

Correct Answer: 50 units

Bissoy MCQ
#পিএসসি ও অন্যান্য নিয়োগ পরীক্ষা #গণিত #ঐকিক নিয়ম (Unitary method) #পায়রা বন্দর কর্তৃপক্ষ (বিভিন্ন পদ) 06-11-2020

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