n/60 পূৰ্ণসংখ্যা n আৰু 0.4 < n/60 < 0.6 ৰ সৈতে সৰ্বনিম্ন পদত কিমান ভগ্নাংশ?
A4
B3
C5
D2
Answer & Solution
Correct answer: D. 2
সম্ভাৱ্য লৱক 25 ৰ পৰা 35 লৈকে, আৰু কেৱল 29 আৰু 31 য়ে 60 ৰ সৈতে 1 তকৈ ডাঙৰ কোনো গুণক ভাগ নকৰে, যাৰ ফলত দুটা ভগ্নাংশ পোৱা যায়।
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