AP ICET 11 Sep 2020 Shift 2 Paper

Question : 97 of 200

Marks: +1, -0

Arithmetical Ability

Two pipes P and Q can fill a cistern in 4 min. and 6 min. respectively. If these pipes are opened on alternatively starting with P for one minute each, how long (in min.) will it take to fill the cistern?

$4{1/3}$
$4{2/3}$
$5{1/4}$
$5{1/3}$

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