alleryP Q ಗಿಂತ ಮೂರು ಪಟ್ಟು ಪರಿಣಾಮಕಾರಿಯಾಗಿದೆ, ಮತ್ತು ಅವು ಒಟ್ಟಿಗೆ 15 ದಿನಗಳಲ್ಲಿ ಮುಗಿಸುತ್ತವೆ. P ಗೆ ಮಾತ್ರ ಅಗತ್ಯವಿದೆ
A30 ದಿನಗಳು
B20 ದಿನಗಳು
C15 ದಿನಗಳು
D45 ದಿನಗಳು
Answer & Solution
Correct answer: B. 20 ದಿನಗಳು
3x ಮತ್ತು x ದರಗಳೊಂದಿಗೆ, 4x = 1/15 ಆದ್ದರಿಂದ x = 1/60, ಮತ್ತು P ನ ದರ 3/60 = 1/20 ಎಂದರೆ 20 ದಿನಗಳು.
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