alleryಸೆಟ್ A 30 ಸದಸ್ಯರನ್ನು ಹೊಂದಿದೆ ಮತ್ತು ಸೆಟ್ B 20 ಸದಸ್ಯರನ್ನು ಹೊಂದಿದೆ, 8 ಎರಡಕ್ಕೂ ಸಾಮಾನ್ಯವಾಗಿದೆ. A ಅಥವಾ B ನಲ್ಲಿ ಎಷ್ಟು ಇವೆ?
A42
B50
C58
D38
Answer & Solution
Correct answer: A. 42
ಸಾಮಾನ್ಯ ಸದಸ್ಯರನ್ನು ಮೊತ್ತದಲ್ಲಿ ಎರಡು ಬಾರಿ ಎಣಿಸಲಾಗಿರುವುದರಿಂದ, ಒಕ್ಕೂಟವು 30 + 20 - 8 = 42 ಆಗಿದೆ.
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