alleryশ্ৰেণীটোৰ মুঠ শিক্ষাৰ্থীৰ সংখ্যা কিমান? I: 30% ছোৱালী। II: 21 জন ল'ৰা আছে।
Aকেৱল I যথেষ্ট
Bকেৱল II যথেষ্ট
Cদুয়োটা একেলগেও যথেষ্ট নহয়
Dদুয়োটা একেলগে প্ৰয়োজনীয়
Answer & Solution
Correct answer: D. দুয়োটা একেলগে প্ৰয়োজনীয়
ল'ৰাৰ সংখ্যা শ্ৰেণীটোৰ 70%, গতিকে 21 ক 0.7 ৰে হৰণ কৰিলে 30 জন শিক্ষাৰ্থী পোৱা যায়।
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