Time and Work - Arithmetic Aptitude Questions and Answers

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Discussion :: Time and Work

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?

5 $\frac { 1 } { 2 }$

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Answer : Option C

Explanation :

B's 10 day's work =[ $\frac { 1 } { 15 }*10]$ = $\frac { 2 } { 3}$

Remaining work =[1- $\frac { 2 } { 3}$ ]= $\frac { 1 } { 3}$

Now, $\frac { 1 } { 18}$ work is done by A in 1 day.

$\frac { 1 } { 3}$ work is done by A in[18x $\frac { 1 } { 3}$ ]=6 days

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