alleryಒಬ್ಬ ಮೇಸ್ತ್ರಿ 6 ದಿನಗಳಲ್ಲಿ ಗೋಡೆ ಕಟ್ಟುತ್ತಾನೆ, ಇನ್ನೊಬ್ಬ 3 ದಿನಗಳಲ್ಲಿ ಗೋಡೆ ಕಟ್ಟುತ್ತಾನೆ. ಒಟ್ಟಿಗೆ ಕೆಲಸ ಮಾಡುವುದರಿಂದ, ಗೋಡೆ ಸಿದ್ಧವಾಗುತ್ತದೆ
A1.5 ದಿನಗಳು
B2 ದಿನಗಳು
C1 ದಿನ
D3 ದಿನಗಳು
Answer & Solution
Correct answer: B. 2 ದಿನಗಳು
ದಿನಕ್ಕೆ ಗೋಡೆಯ 1/6 + 1/3 = 1/2 ಗೆ ದರಗಳು ಸೇರಿಸಲ್ಪಡುತ್ತವೆ, ಆದ್ದರಿಂದ ಗೋಡೆಯು 2 ದಿನಗಳನ್ನು ತೆಗೆದುಕೊಳ್ಳುತ್ತದೆ.
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