GK

Sort Difficulty Level: Entry Level | Moderate | Difficult
Pick the odd one out among the following options.
X
no
Y
no
H
no
D
yes
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A cistern normally takes 10 hours to be filled by a tap. But because of a leak, it takes 2 hours more. In how many hours will the leak empty a full cistern? 
60
yes
45
no
48
no
30
no
Show Answer

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