alleryಒಂದು ಪಂಪ್ ಒಂದು ಟ್ಯಾಂಕ್ ಅನ್ನು 5 ಗಂಟೆಗಳಲ್ಲಿ ತುಂಬಿಸುತ್ತದೆ, ಆದರೆ ಸೋರಿಕೆಯಾದರೆ ಅದು 6 ಗಂಟೆಗಳನ್ನು ತೆಗೆದುಕೊಳ್ಳುತ್ತದೆ. ಸೋರಿಕೆ ಮಾತ್ರ ಅದನ್ನು ಖಾಲಿ ಮಾಡುತ್ತದೆ
A30 ಗಂಟೆಗಳು
B11 ಗಂಟೆಗಳು
C25 ಗಂಟೆಗಳು
D20 ಗಂಟೆಗಳು
Answer & Solution
Correct answer: A. 30 ಗಂಟೆಗಳು
ಸೋರಿಕೆ ದರ ಗಂಟೆಗೆ 1/5 - 1/6 = 1/30, ಆದ್ದರಿಂದ ಖಾಲಿ ಮಾಡಲು 30 ಗಂಟೆಗಳು.
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