allery100 জন ব্যক্তির মধ্যে 65 জন হিন্দি বলেন, 55 জন ইংরেজি বলেন এবং 20 জন উভয় ভাষাতেই কথা বলেন। কতজন কেবল হিন্দি বলেন?
A35
B50
C45
D40
Answer & Solution
Correct answer: C. 45
কেবল হিন্দিভাষী হলেন হিন্দি বৃত্তের সেই ব্যক্তিরা যাঁরা সাধারণ অংশের বাইরে রয়েছেন: 65 - 20 = 45।
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