allery3/5-এর লব ও হরকে 4 দিয়ে গুণ করলে কোন ভগ্নাংশটি পাওয়া যায়?
A3/20
B12/20
C12/5
D7/9
Answer & Solution
Correct answer: B. 12/20
3 এবং 5 উভয়কেই 4 দিয়ে গুণ করা হলে 12/20 পাওয়া যায়, যার মান একই থাকে।
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