alleryএটা শ্ৰেণীৰ ল'ৰাৰ সংখ্যা সমগ্ৰ শ্ৰেণীটোৰ 3/8 অংশ আৰু ল'ৰাৰ সংখ্যা 60। শ্ৰেণীটোত ছোৱালী কিমানজনী আছে?
A100
B96
C80
D90
Answer & Solution
Correct answer: A. 100
শ্ৰেণীটোত 60 x 8/3 = 160 জন ছাত্ৰ-ছাত্ৰী আছে, গতিকে ছোৱালীৰ সংখ্যা 160 - 60 = 100।
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