allery15 ಕಾರ್ಮಿಕರ ತಂಡವು 30 ದಿನಗಳಲ್ಲಿ ಕೆಲಸವನ್ನು ಪೂರ್ಣಗೊಳಿಸಬಹುದು. 10 ದಿನಗಳ ನಂತರ, 5 ಹೆಚ್ಚಿನ ಕಾರ್ಮಿಕರು ಸೇರುತ್ತಾರೆ. ಉಳಿದ ಕೆಲಸವು ತೆಗೆದುಕೊಳ್ಳುತ್ತದೆ
A18 ದಿನಗಳು
B15 ದಿನಗಳು
C12 ದಿನಗಳು
D10 ದಿನಗಳು
Answer & Solution
Correct answer: B. 15 ದಿನಗಳು
ಉಳಿದ ಕೆಲಸ 15 x 20 = 300 ಕೆಲಸಗಾರ-ದಿನಗಳು, ಮತ್ತು 20 ಕೆಲಸಗಾರರು ಅದನ್ನು 15 ದಿನಗಳಲ್ಲಿ ಮುಗಿಸುತ್ತಾರೆ.
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