এই ভগ্নাংশগুলির মধ্যে কোনটি ইতিমধ্যেই লঘিষ্ঠ আকারে রয়েছে?
A20/25
B14/21
C12/18
D11/15
Answer & Solution
Correct answer: D. 11/15
11 এবং 15-এর 1-এর চেয়ে বড় কোনো সাধারণ উৎপাদক নেই, যেখানে অন্য জোড়াগুলির সাধারণ উৎপাদক যথাক্রমে 7, 6 এবং 5 রয়েছে।
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