alleryಸೀತಾ ಒಂದು ಕೆಲಸ ಮಾಡ್ತಾಳೆ ಅಂದ್ರೆ 30 ದಿನಗಳಲ್ಲಿ. ಸೀತಾ ಮತ್ತು ತಾರಾ ಒಟ್ಟಿಗೆ ಅದನ್ನು 20 ದಿನಗಳಲ್ಲಿ ಮಾಡುತ್ತಾರೆ. ತಾರಾಗೆ ಮಾತ್ರ ಬೇಕು
A40 ದಿನಗಳು
B45 ದಿನಗಳು
C50 ದಿನಗಳು
D60 ದಿನಗಳು
Answer & Solution
Correct answer: D. 60 ದಿನಗಳು
ತಾರಾಳ ದರ 1/20 - 1/30 = 1/60, ಆದ್ದರಿಂದ ಅವಳಿಗೆ 60 ದಿನಗಳು ಬೇಕಾಗುತ್ತವೆ.
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