alleryಒಂದು ಪೈಪ್ ಒಂದು ಟ್ಯಾಂಕ್ ಅನ್ನು 15 ನಿಮಿಷಗಳಲ್ಲಿ ತುಂಬಿಸುತ್ತದೆ; ಎರಡನೇ ಪೈಪ್ಗೆ 6 ನಿಮಿಷಗಳು ಬೇಕಾಗುತ್ತದೆ. ಎರಡನೇ ಪೈಪ್ಗೆ ಮಾತ್ರ
A10 ನಿಮಿಷಗಳು
B12 ನಿಮಿಷಗಳು
C8 ನಿಮಿಷಗಳು
D9 ನಿಮಿಷಗಳು
Answer & Solution
Correct answer: A. 10 ನಿಮಿಷಗಳು
ಎರಡನೇ ಪೈಪ್ ದರ 1/6 - 1/15 = 3/30 = 1/10, ಆದ್ದರಿಂದ 10 ನಿಮಿಷಗಳು.
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