সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Which of the following must be an integer if x is a positive integer and 4/x + 5/x + 6/x is also an integer?
Which of the following must be an integer if x is a positive integer and 4/x + 5/x + 6/x is also an integer?
- ক. x/30
- খ. 30/x
- গ. x/5
- ঘ. 5/x
সঠিক উত্তরঃ 30/x
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