alleryఒక పంపు ఒక ట్యాంక్ను 5 గంటల్లో నింపుతుంది, కానీ లీకేజీ ఉండటం వల్ల 6 గంటలు పడుతుంది. ఆ లీకేజీ ఒక్కటే దానిని ఖాళీ చేయడానికి పట్టే సమయం
A30 గంటలు
B11 గంటలు
C25 గంటలు
D20 గంటలు
Answer & Solution
Correct answer: A. 30 గంటలు
లీకేజీ రేటు గంటకు 1/5 - 1/6 = 1/30, కాబట్టి ఖాళీ కావడానికి 30 గంటలు పడుతుంది.
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