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Rate of filling of the first pipe = 1/12 tank per hour. Rate of emptying of the second pipe = 1/18 tank per hour. Net rate = 1/12 - 1/18 = (3 - 2) / 36 = 1/36 tank per hour. Time to fill the tank = 1 / (1/36) = 36 hours. Correct answer: a. 36 hours
Statement:
Candidates should be young, energetic and dynamic in the age group of 27 to 32 years.
Conclusions:
I. Persons below ...
The Sahariyas are members of an indigenous tribe which has for centuries occupied an area now located partly within the state of Rajasthan and partly wi...
Statements: J ≥ K ≥ L = O; M ≤ N < O; M ≥ P < K
Conclusions:
I. L < M
II. J ≥ N
III. N > P
Statements: Only heater are blowers. Some geyser are cable. Only a few heater are geyser.
Conclusions: I. Some cable are heater. II. Some heater ...
Statements:
Only English are History.
Only a few English are Science.
Some Science are not Hindi.
Conclusions:
<...A statement is given followed by two conclusions I and II. Consider the given statement as true and decide which of the given conclusions logically fol...
Three statements are given followed by three conclusions I, II, and III. You have to consider these statements to be true, even if they seem at variance...
Statements:
Some Lessons are Chapters.
No Chapter is Topic.
Only a few Topics are Paragraphs.
Only Paragraph is Content.
...Statement: 105
Some Trains are bus.
Only few buses are bike.
Only cycles are bike.
No cycle is plane.
Conclusion: ...
those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and th...
