a) brain teaser question 5
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Answer:
In 1 hr, 4/6th part of tank will be filled if both pipes open simultaneously.
Step-by-step explanation:
If one pipe can fill Tank in 2 hrs,
in 1 hr it can fill 1/2 of tank.
if another pipe can fill Tank in 6 hrs,
in 1 hr it can fill 1/6th of tank.
if both are opened simultaneously,
they can fill,
(1/2 + 1/6 )th of tank.
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