allery50 ವಿದ್ಯಾರ್ಥಿಗಳ ಗುಂಪಿನಲ್ಲಿ 30 ಜನರಿಗೆ ನೀಲಿ ಮತ್ತು 25 ಜನರಿಗೆ ಹಸಿರು ಬಣ್ಣ ಇಷ್ಟ. 10 ಜನರಿಗೆ ಇವುಗಳಲ್ಲಿ ಯಾವುದೇ ಬಣ್ಣವೂ ಇಷ್ಟವಿಲ್ಲ. ಎರಡೂ ಬಣ್ಣಗಳನ್ನು ಇಷ್ಟಪಡುವವರು ಎಷ್ಟು?
A10
B15
C20
D25
Answer & Solution
Correct answer: B. 15
ಒಕ್ಕೂಟ = 50 - 10 = 40. ಎರಡೂ ಹಾಗೆ = 30 + 25 - 40 = 15.
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