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এটা দণ্ড লেখত এটা শ্ৰেণীত ল'ৰা = 30 আৰু ছোৱালী = 20 দেখুওৱা হৈছে। ছাত্ৰ-ছাত্ৰীৰ কিমান অংশ ছোৱালী?

A3/5
B2/5
C1/2
D2/3
Answer & Solution
Correct answer: B. 2/5
মুঠ ছাত্ৰ-ছাত্ৰী = 30 + 20 = 50। ছোৱালীৰ অংশ = 20 / 50 = 2/5।
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