Question

If men or 9 women can do a piece of work in 19 days then in how many days will 3 men and 6 women do the same work?

(a) 12

(b) 15

(c) 18

(d) 21​

Answer 1

$\huge\red{\underbrace{\overbrace{\ulcorner{\mid{\overline{\underline{ANSWER}}}}}}}$

${\bf{\green{=>5men=9women}}}$

${\bf{\green{=>women=5/9men}}}$

${\bf{\green{then,}}}$

${\bf{\green{=>3men+6women}}}$

${\bf{\green{=>3men+6(5/9men)}}}$

${\bf{\green{=>27men+30men/9}}}$

${\bf{\green{=>57men/9}}}$

${\bf{\green{=>19men/3}}}$

${\bf{\green{let, no. Of days =x}}}$

${\bf{\orange{Given that, }}}$

${\bf{\orange{=>19×5=x×19/3}}}$

${\bf{\orange{=>5=x/3}}}$

${\bf{\orange{=>x=15days}}}$