alleryಕಿರಣ್ ಲತಾಗಿಂತ ಮೂರು ಪಟ್ಟು ದಕ್ಷತೆ ಹೊಂದಿದ್ದಾರೆ, ಅವರಿಗೆ ಮಾತ್ರ 60 ದಿನಗಳು ಬೇಕಾಗುತ್ತವೆ. ಒಟ್ಟಿಗೆ ಅವರಿಗೆ ಅಗತ್ಯವಿದೆ
A18 ದಿನಗಳು
B12 ದಿನಗಳು
C15 ದಿನಗಳು
D20 ದಿನಗಳು
Answer & Solution
Correct answer: C. 15 ದಿನಗಳು
ಲತಾ ದಿನಕ್ಕೆ 1/60 ಮತ್ತು ಕಿರಣ್ 3/60 ಮಾಡುತ್ತಾರೆ, ಒಟ್ಟು 4/60 = 1/15, ಆದ್ದರಿಂದ 15 ದಿನಗಳು.
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