alleryಇಬ್ಬರು ಇಟ್ಟಿಗೆ ಕೆಲಸಗಾರರಿಗೆ ಗೋಡೆಗೆ ಕ್ರಮವಾಗಿ 14 ಮತ್ತು 21 ದಿನಗಳು ಬೇಕಾಗುತ್ತವೆ. ಒಟ್ಟಿಗೆ ಕೆಲಸ ಮಾಡಲು ಅವರಿಗೆ ಅಗತ್ಯವಿದೆ
A8.4 ದಿನಗಳು
B8 ದಿನಗಳು
C7 ದಿನಗಳು
D9 ದಿನಗಳು
Answer & Solution
Correct answer: A. 8.4 ದಿನಗಳು
ದಿನಕ್ಕೆ 1/14 + 1/21 = 5/42, ಆದ್ದರಿಂದ ಗೋಡೆಯು 42/5 = 8.4 ದಿನಗಳನ್ನು ತೆಗೆದುಕೊಳ್ಳುತ್ತದೆ.
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