Question

A can do a job in 15 days and B in 10 days how many days will they take to finish the job if they work together​

Answer 1

Answer:

In how many days they together will do the same work ? So together they can complete work in 6 days.

Step-by-step explanation:

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Answer 2

$\huge \pink{\sf \underline { \underline{Given:-}}}$

$\sf{A \: can \: do \: work \: in \: 15days}$

$\sf{B \: can \: do \: work \: in \: 10days}$

$\huge\purple {\sf \underline { \underline{To \: find:-}}}$

$\mathfrak{A,B \: can \: do \: work \: together \: in \: }$

$\huge\green{ \sf \underline { \underline{Answer:-}}}$

$\sf{Work \: done \: by \: A= \frac{1}{15} }$

$\sf{Work \: done \: by \: B= \frac{1}{10} }$

$\sf{Work \: done \: by \: A,B \: together = \frac{1}{15} + \frac{1}{10} }$

$\mathfrak {= \frac{1}{5} ( \frac{1}{3} + \frac{1}{2}) = \frac{1}{5} \times \frac{5}{6} = \frac{1}{6} }$

Both the A,B can complete the work in 6 days.