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Question
A is twise as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the ork is.
20 days
21 days
22 days
24 days
ANSWER : 4
Descrption
<p>Let, B does x unit per day</p><p>Then,A does 2x unit per day</p><p>A& B together works 16 day for the whole work</p><p>A&B together works 1 day for the 1/16 part of work</p><p>So, 3x=1/16</p><p> x= 1/48 so,B do the work in 48 days</p><p> 2X=1/24 So, A do the work in 24 days</p>
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