alleryবাহিৰৰ অঞ্চলটো বাদ দি তিনিটা সংহতিৰ এখন ভেন চিত্ৰৰ বৃত্তবোৰৰ ভিতৰত কিমানটা অঞ্চল থাকে?
A6
B8
C7
D9
Answer & Solution
Correct answer: C. 7
তিনিটা সংহতিয়ে মুঠতে 8 টা অঞ্চল দিয়ে; বাহিৰৰ অঞ্চলটো আঁতৰালে বৃত্তবোৰৰ ভিতৰত 7 টা অঞ্চল বাকী থাকে।
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