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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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A survey was conducted among 400 people who bought cycles brand A, brand B and brand C. It was found that 108 people do not buy brand A, 135 members do not buy brand B, 115 people do not buy brand C cycle. And, 231 people bought at least two of the three branded cycles. Find the following:
 
(i) Number of people who bought exactly two branded cycles = 
 
(ii) Number of people who bought only one branded cycle =
1