alleryলঘিষ্ঠ আকাৰৰ কোনটো ভগ্নাংশৰ এক সীমিত দশমিক প্ৰসাৰণ আছে?
A3/20
B2/9
C5/7
D1/3
Answer & Solution
Correct answer: A. 3/20
হৰ 20 হ'ল 2 ৰ বৰ্গ পূৰণ 5 (2^2 × 5), সেয়েহে কেৱল মৌলিক সংখ্যা 2 আৰু 5 থাকে আৰু দশমিক প্ৰসাৰণটো সীমিত হয়।
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