alleryA ಮತ್ತು B 10 ದಿನಗಳನ್ನು ತೆಗೆದುಕೊಳ್ಳುತ್ತವೆ, B ಮತ್ತು C 15 ದಿನಗಳನ್ನು ತೆಗೆದುಕೊಳ್ಳುತ್ತವೆ, A ಮತ್ತು C 12 ದಿನಗಳನ್ನು ತೆಗೆದುಕೊಳ್ಳುತ್ತವೆ. ಮೂರೂ ಒಟ್ಟಿಗೆ ತೆಗೆದುಕೊಳ್ಳುತ್ತವೆ
A9 ದಿನಗಳು
B6 ದಿನಗಳು
C7.5 ದಿನಗಳು
D8 ದಿನಗಳು
Answer & Solution
Correct answer: D. 8 ದಿನಗಳು
ಸಂಯೋಜಿತ ದರದ ಎರಡು ಪಟ್ಟು 1/10 + 1/15 + 1/12 = 1/4, ಆದ್ದರಿಂದ ಮೂರೂ ಒಟ್ಟಾಗಿ ದಿನಕ್ಕೆ 1/8 ಮಾಡುತ್ತಾರೆ.
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