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Test # 115


1.
Two pipes A and B can fill a tank in 4 & 5 hrs respectively. If they are turned on alternately for 1 hr each, the time taken to fill the tank is

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Idiom of the Day

on the other hand
however, in contrast, looking at the opposite side of a matter
The boy is very intelligent but on the other hand he is very lazy and always gets low marks at school.
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